Perfect motion should be in circles, so the stars and planets, being heavenly objects, moved in circles. |
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They presented a guide to the movement of the planets, the phases of the Moon and even the mythology of some famous constellations. |
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In view of the manner of his death it is curious to note that his nativity has no planets in water signs. |
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How many planets does Person A have in water signs, how many in earth, how many in fire and how many in air? |
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Planet cores and terrestrial rocky planets would accrete from the planetesimals. |
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All the planets should have started warm, when gravitational energy was transformed into heat during planetary accretion. |
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From the crusts of differentiated asteroids and planets come the meteorites we call achondrites. |
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He therefore accepted Kepler's theory of elliptical orbits for the planets and tested Kepler's laws by direct observation. |
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At the Keck Observatory, it is now possible to measure extremely subtle star wobbles, so even smaller planets should soon turn up. |
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In some respects, searching for planets around red dwarfs is harder than around heavier, hotter stars. |
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It is believed that eventually the sun will expand into a red giant, swallowing all of the inner planets, and destroying all life on earth. |
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All the planets want us in alliance with them but we're trying to stay neutral. |
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A horoscope needs to be drawn and studied and the meaning of aspects as well as the positioning of houses and planets have to be understood. |
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Many planets of one person's chart fall into the angular houses of the other's natal chart. |
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Maya astronomers observed the movements of the sun, moon, and planets, made astronomical calculations, and devised almanacs. |
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The apparent paths of the sun, the moon, and the major planets all fall within the zodiac. |
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In general, the movement of planets to angular positions in relocated charts is of greatest importance. |
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In fact, all the planets orbit the sun close to such a fixed orbital plane. |
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Many planets have been found revolving around stars outside the Solar System. |
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Aristotle famously proposed that as the heavens revolve about the Earth, the planets move in circles. |
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These stars are whipping around the black hole in much the same way as planets in our Solar System are revolving around the Sun. |
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The discovery suggests that life could exist on planets very different from Earth. |
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Further afield there are the starkly beautiful pictures of a ringed Saturn and the outer planets, Uranus and Neptune. |
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Chapter 4 deals with the process of creating ringed planets, star fields, and other celestial bodies. |
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The launching rockets were mainly used to place government spacecraft into Earth orbit or towards the Moon or other planets. |
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On volcanically active planets like Venus, the surface roils and churns so quickly that solid crust does not have a chance to form. |
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It discusses topics such as geometry, geography and algebra with applications to the longitudes of the planets. |
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At the very least, it shakes up long-lived assumptions enough to spark some new thinking on the makeup of planets. |
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The harmonious aspects bring an easy relationship between the planets involved. |
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Since the Part of Fortune is a zodiacal point, it can be said to be aspected by planets, but it does not make aspects itself. |
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In traditional practice, the limits for aspectual contact are determined by the planets involved. |
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Both comets and asteroids are the left-over building blocks of the planets in our solar system. |
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In our own solar system, asteroids have collided with Earth, the moon and other planets. |
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These scientists also study the natural satellites of other planets as well as asteroids and comets. |
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A key issue in astrobiology is to understand the processes responsible for the geological and geophysical evolution of terrestrial planets. |
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Astrologically every individual had influences bestowed upon him by most of the planets through his life span. |
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The planets, signs, houses and aspects are the nuts and bolts of astrology. |
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To date there have been no successful detections of extrasolar planets with the astrometric method. |
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This method, known as astrometry, is the oldest planet-hunting method, but no planets have yet been found based on it alone. |
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In this way, astronomers will perform very precise astrometry to detect the reflex motion of stars due to orbiting planets. |
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As time goes by, astronomers have found planets in larger and larger orbits. |
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We credit the idea that the Earth and other planets orbit the Sun to the medieval Polish astronomer Nicolaus Copernicus. |
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He began correcting the errors in existing astronomical tables by making observations of the motion of the planets with a cheap telescope. |
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Because the relative distances to the planets were well known, a definitive astronomical unit allowed the actual distances to be calculated. |
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A paper on, for example, the Martian atmosphere typically would not cite publications on the atmospheres of other planets. |
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There are 10 planets in Astrology, beginning with the Sun and the Moon, which are also known as luminaries. |
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Most of the attention focuses on Pluto's status as one of our solar system's major planets. |
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It has a high-inclination orbit, which means it does not travel around the sun in the same plane as the major planets. |
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The asteroids are most likely leftover sloar system bits and stuff captured by the sun and major planets. |
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The major planets are available at a click, as is a solar system view, which can be animated and its angle of viewing changed. |
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Models of the planets are situated along the path, to scale with their size and the distance between them in the galaxy. |
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By 1613 Galileo believed that his telescopic observations of the moons of Jupiter proved that the Earth and planets revolved round the Sun. |
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One way is to travel to the planets, either with remotely operated probes or with manned spacecraft. |
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He knows every world leader on this planet, and possibly those on other planets too. |
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He looked at the star maps to see if there were any habitable planets or moons in the area. |
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The Sun will become a red giant, still hot enough to burn planets to cinders as it engulfs Mercury and Venus and scorches Earth. |
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The Ralok were explorers and liked to find abandoned or unoccupied planets and terraform them to be suitable for colonization. |
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The terrestrial planets in our solar system all have very specific spectroscopic fingerprints that tell us quite a bit about their atmospheres. |
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From the evidence found on the Moon, geophysicists can extrapolate a picture of the early history of the four terrestrial planets. |
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Moving beyond the Earth to the other terrestrial planets, we find that the rocks there are also dominantly silicates. |
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So again we ask, how can it be said that Saturn, the supreme terrifier among the planets, can be your greatest friend? |
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She made observations of one of the minor planets and calculated its orbit. |
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Many of the planets were run by makeshift despotic governments that intended to secede from the Republic. |
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A nautical instrument used to measure the altitude of stars and planets in the sky in order to determine a ship's exact direction. |
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Their job is to destroy unstable planets in order to make star systems safe for human colonization. |
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There was no medium or physical means to push and pull the planets and other objects around. |
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For example, at the moment, the giant planets Jupiter and Saturn are well on view, and they're splendid sights. |
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The five planets visible to the naked eye will come together later this month in a dazzling conjunction that will not be repeated for 100 years. |
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The vote was nearly unanimous, only Simon and a few officers who's planets had close ties to Beta Crucis. |
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Grouped with iron meteorites, these are pieces from the cores of fledgling planets destroyed by collisions when the Solar System formed. |
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We can begin setting out for the planets today rather than someday, or never. |
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We can study only the topmost part of the atmosphere of these planets directly. |
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This explains the composition of much of the asteroid belt as well as the inner planets. |
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Picard devised a micrometer to measure the diameters of celestial objects such as the Sun, Moon and planets. |
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Besides a couple of eclipses slated for May, sky watchers would witness transits of two planets over the disk of the Sun. |
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Mercury and Venus are the only planets that orbit closer to the Sun than the Earth, so they are the only planets that can transit the Sun. |
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Radar signals were transmitted to both Venus and Mercury, as the planets were about to pass behind the Sun. |
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The president of the UFO Society of Ireland, Betty Meyler, believes the flying objects are a sign of life on other planets. |
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There were whole armadas of different ships, space stations and planets, no end to the add-ons for your craft and every mission was different. |
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Other ships were mineral transports bringing raw materials from the outlying planets of the solar system back to Earth for processing. |
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We'll hear about detonation, secondary explosion effects, metal fatigue or misalignment of the planets. |
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What about selection among communities, ecosystems, biomes, planets, star systems, galaxies? |
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Three planets are connected by three trines to form a triangle, the Grand Trine, around which planetary influences circulate with ease. |
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This is a long, long way from saying that this galaxy is full of planets with biospheres even remotely comparable to ours. |
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Examples of places where a biosphere might be built include the moon, other moons of the solar system, and planets such as Mars. |
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Obviously you'll know the names of the planets, and you probably know where the Kuiper Belt is, and where the Trojan asteroids are. |
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The camera pans across a galaxy of stars and planets, novae, and nebulae twinkling in the blackness. |
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The first of his laws of planetary motion asserts that planets orbit the Sun in ellipses. |
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Other planets and moons in the solar system have been volcanically active in the distant past. |
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Telescopes on the ground, as well as the Hubble Space Telescope, have also discovered small moons around these planets. |
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Over many millions of years, the matter within our solar system has coalesced into many moons, nine planets and the star that we call the sun. |
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Observational astronomers use telescopes, on Earth and in space, to study objects ranging from planets and moons to distant galaxies. |
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Of all the moons circling all the planets in the solar system, only Saturn's moon, Titan, is known to have an atmosphere. |
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The moons of the outer planets in the solar system are also rich with various kinds of ices. |
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Outer space was a vivacious place, filled with planets and stars, moons and black holes, supernovas and asteroid belts. |
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Modern interplanetary spacecraft explore their target planets and moons with the aid of robots, and these robots are also becoming very small. |
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But what about the geologies of the nine planets and over sixty moons of the solar system? |
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My room is colored in blue with glow in the dark stars and planets on them. |
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The search for life focuses mostly on planets with liquid water, a heat or energy source, and chemicals like carbon, hydrogen, and oxygen. |
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Jupiter is the largest of our nine planets, containing two-thirds of the planetary mass of our Solar System. |
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His work ran the gamut from star and planetary system formation to the study of the planets themselves. |
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Six of these discoveries are of planetary systems with two or more planets. |
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They asserted that it drew close enough to disrupt the orbits of rocky objects, sending a shower of bolides toward the inner planets. |
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To have many planets debilitated in this way in a nativity is considered a sign of obscurity and low birth. |
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With allusions to the heavenly clutter of planets and stars, Fukui gives his canvases a feeling of boundlessness. |
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What he suggested in 1859 was that several previously unsuspected small planets existed, orbiting closer to the Sun than Mercury. |
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It is a nebulae system, planets and stars bobbing in and out of blue, purple, and pink stardust. |
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For example, Upsilon Andromedae is now known to possess a system of three large planets. |
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It's shameful that I'm ignorant of the order of planets from the sun in our solar system. |
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Among the natural satellites that orbit the planets in the solar system, the moon is without doubt one of a kind. |
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Eventually it may also be necessary for our species to move off of Earth and colonise the other planets in our solar system. |
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The planets of the solar system are visible because of the sunlight that they reflect. |
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Astronomers have so far found more than 70 planets in solar systems other than our own. |
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Until just over 10 years ago, the nine planets of the solar system were the only ones known to man. |
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The new approach to locating planets depends upon observing changes in the level of brightness of light that distant stars emit. |
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Now we're looking for extrasolar planets, space still has the capacity to make me excited. |
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The research team targeted young stars since planets and brown dwarfs are brighter when they are young. |
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Both extrasolar planets and brown dwarfs give off most of their energy in the infrared region of the spectrum. |
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I felt the images of the space ships, planets, and space travel were quite nice. |
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Telescopic, gravimetric, and spectrographic scans have revealed fourteen planets in the system. |
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We have found five planets orbiting that star, and with our spectroscopes we found one within the star's habitable zone that has an atmosphere. |
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The table below shows how much or little the spherical angles between planets are in my horoscope. |
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Environments are filled with planets, black holes, novas, asteroids and wormholes among other objects, and each is rendered with stunning detail. |
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Earth was among the many planets destroyed in this calamity, and many humans were lost also. |
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There are a terrifically large number of planets in the galaxy and many people say that the sheer weight of numbers means that life must exist. |
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In the star system, there are six planets, five that are inhabitable, as well as moons. |
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Thus in 1495 Pico della Mirandola dismissed divinatory astrology as a confusion of real physical planets with stellar divinities. |
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And a trio of roughly Earth-sized planets was found in 2002 to orbit a dense stellar corpse known as a neutron star. |
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Because planets are so dim compared to stars, technology has not been able to spot them amid stellar glare. |
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Marcellus was struck down sick and incapacitated when a galactic storm struck the outer planets, creating destruction and havoc. |
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With allusions to the heavenly clutter of planets and stars, the artist gives his canvases a feeling of boundlessness. |
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Air speeds of a few thousand miles an hour are of little use in the exploration of planets scores of million miles away, let alone solar systems light years beyond our own. |
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A large ball of gas, generating energy by nuclear fusion, it also created a magnetic field enclosing Earth and the other planets in a gigantic magnetic bubble. |
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The second is to find planets as close as possible to Earth in size, composition, and position in their star system. |
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One boy asked if NASA would send missions to other planets, such as Mars. |
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Faster than light travel was developed and the first wave of Human expansion began with the settling of the other habitable planets in what would become the Terran sector. |
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And the thankfully near full moon was magically radiant in its slight yellowness, divinely suspended in nothingness amid the sequined backdrop of stars, planets and galaxies. |
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The same group of astronomers has also inferred a type of exoplanet that fits in between the rocky planets and the gas giants. |
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On each orbit, the planets pull the star slightly, which can be detected by the Doppler effect. |
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Rarely do the planets align so perfectly for an unemployed coach. |
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A pack of planets transits your impressionistic sector, where transcending the material or ordinary becomes the focus. |
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That means most of these planets orbit closer than mercury does to the Sun. |
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The kids have also produced a range of beautiful, whimsical mobiles of chameleons, shongololos, birds, fish, stars and planets made out of junk and found objects. |
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These space and Moon-based astronomical observatories will be the successors to the Hubble Space Telescope, which has been used to discover planets in distant solar systems. |
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All the planets in the solar system orbit the Sun in roughly the same plane, but each is a different distance away from the Sun and moves at its own pace. |
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Unbeknownst to him, the orb contains an infinity Stone, which holds within it the power to destroy entire planets. |
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Other solar-system exploration programs, such as the next mission to the outer planets, are being slashed to pay for msl. |
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The Sun, with all those planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the Universe to do. |
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The computer programs tell us all about snakes and lizards and birds and mammals, about atoms and planets and plants, but not dragons or basilisks or cyclopsi. |
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A star chart is simply a printed diagram of the sky on a given night or month, with prominent constellations, planets and phases of the moon marked. |
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The algorithms ran their determined courses, and our thoughts followed one after another, as mechanical and as predictable as the planets in their orbits. |
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This slingshot trajectory requires the probe to be launched precisely when the planets are in an exact alignment, which if missed would not occur for another 600 years. |
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I think we should send them to colonize other planets for us. |
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Every discovery brings us closer to understanding how planets form in all their marvelous variety. |
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Other planets have been named after ancient myths and mythological beings. |
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By contrast, the interior of big planets like Jupiter still hold some mysteries, such as whether they have rocky cores. |
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Beyond the planets are four depictions of the seasons that recall a medieval book of hours but seem to rely on the tarot, with images of the Fool, the Chariot and Death. |
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The first is to describe planets in our galaxy in all their weirdness and wonder. |
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The discovery of planets orbiting other Sun-like stars in the galaxy is a key scientific discovery that has played a central role in the astrobiological revolution. |
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As such, they allow us a peek at the chemistry before the planets and moons evolved into what we know them as today. |
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The various planets have united under one political umbrella after a bitter war that saw those planets that craved independence crushed under the heel of centralisation. |
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But he no more knew of the places named for him than he did of the Pacific Ocean or of distant planets. |
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They can be seen as cosmic instruments, symbolic of manifesting the vibration of each of the planets to bring balance from the macrocosm to us as the microcosm. |
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Newton's major achievement was to uncover the natural laws that governed the motion of the planets and the motion of bodies on the surface of the earth. |
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Point it south and it shows you the stars and planets in that quadrant of the sky. |
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Lakes on Titan are full of methane, and the chemical is a major component of the giant planets Jupiter, Neptune, and so forth. |
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Other theories hold that it was a supernova or an alignment of two or three planets. |
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The large globe with clustered nebulas and speckled stars and solar systems that were scattered with planets, suns and moons rotated slowly and gently. |
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Stars, as far as the eye can see, and two of them, pretty close, with a string of planets orbiting between them, the whole family swimming in a pink, blue, and purple nebula. |
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The dynamic field of astrochemistry brings together ideas of physics, astrophysics, biology and chemistry to the study of molecules between stars, around stars and on planets. |
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In this resonance, Venus would make, on average, four axial rotations as seen by an Earth observer between successive close approaches of the two planets. |
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The main objective is to enhance our understanding of the Solar System by exploring the planets, their moons, and small bodies, such as comets and asteroids. |
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Orion represents the first step towards human exploration of other planets, like Mars. |
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As the science of robotics advances, the search for resources and signs of life on distant planets and moons will be carried out increasingly by rovers and other robots. |
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Many scientists have theorized about the possibility of life on other planets. |
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With a dearth of planets in your sign, it may feel like life has plateaued. |
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Unlike other stargazers, my friend does not resort to performing calculations with birthdays and positions of planets or shuffling and reading tarot cards. |
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The centre of the ring, which is 12 billion miles wide, is offset slightly from the star, suggesting that gravity of unseen planets is dragging it askew. |
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Across the spectrum of gifts and toys, most retailers have retreated to a pink-and-blue world, aiming products at the sexes as if they really did come from different planets. |
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Only instead of traveling in boats to cross the oceans and reach far away lands they use spaceships to reach far away planets and meet strange cultures. |
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His almanac tables, showing the moon and Earth with the planets revolving about the sun, met the test of expert observation as well as the old Earth-centered tables had. |
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The BBC is reporting that Hubble has catalogued over 100 new planets. |
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Satellites normally orbit planets in Keplerian orbits, named after Johannes Kepler, who wrote the mathematical equations that describe how satellites move. |
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In our Solar System, only smaller, rocky planets orbit within the habitable zone. |
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Jobson's self-quilled script opens and closes with an oh-so-serious soliloquy, read against a montage of the solar system, along with a CGI whizz-bang ride across the planets. |
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Overhead, uncounted billions of stars, planets, and satellites swirl, creating a heavenly light show that changes every night, and it's one the entire family can share. |
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Hence, the film juxtaposes real-life footage of deep sea dives with imagined special effects of what life might look like on other planets in the solar system. |
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He was also the editor or co-editor of substantial publications on the atmospheres of the Earth and the planets, the Solar System, and stars and stellar systems. |
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Solivagant planets are roaming the interstellar space. |
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Earth and other planets rotated on their axes and revolved around the Sun. |
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As an important side benefit, interplanetary trajectories that begin at Lagrangian points require very little fuel to reach other Lagrangian points or even other planets. |
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While the band was riffing away, Fallon would unleash a torrent of lyrics about monster trucks, prison planets and yetis in his unmistakable throaty roar. |
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Those planets that are highlighted by having many aspects, hard aspects, in angular houses or outer planet conjunctions are good indicators of conflict. |
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For example, amateurs have always been to the fore in discovering comets and novae, hunting for supernovae, and monitoring events happening on the planets. |
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It consisted of a system of rings corresponding to the great circles of the celestial sphere with a central tube which was used to line up stars and planets. |
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Firmicus follows Manilius, adding that if malefic planets are in aspect, the native is reduced to being a door-keeper, admitting and saluting guests. |
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The rhythms, sequences, waves and patterns with respect to the retrogression and direct motion of the planets is symphonic in its holistic entirety. |
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It seems he has reserved this dune buggy strictly for visiting those planets where a bunch of aliens, themselves in dune buggies, are likely to come roaring over the hills. |
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Of course, anybody familiar with the way that planets are formed by the gradual accretion of matter in orbit around a star will be aware that this couldn't happen. |
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The crystals, called cristobalite and tridymite, swim in clouds around stars just before they begin to form planets. |
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These schematized formations recall aerial ballets, spiraling nebulae or orbiting planets, tracings of tiny fireballs, even measles and skin rashes. |
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Astronomers discover three new planets in solar systems close to ours. |
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Some of the invisible dark matter that is missing from the Universe may be massive dark bodies such as planets, black holes, asteroids or failed stars. |
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Have you begun asking yourself why cell phones and cities and iced coffee makes men want to seek death on alien planets? |
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This is because the star itself is formed from the disk at or near its center, and the gas and dust in the outer regions dissipate or accrete into planets. |
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This past year, however, another team found that in the less volatile outer reaches of the nebula, the disks might survive long enough to eventually accrete into planets. |
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Not all planets in a given area were surveyed for habitability. |
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Follow the giant arrow of time from the origin of the universe, through the creation of stars, planets, human life, modern culture and beyond into the future. |
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Very close to a star, at a boundary called the Roche limit, planets are dismembered by the star's gravity. |
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Until the discovery, no one realised that rocky planets could form stable orbits around one member of a binary star system. |
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In either case, planets orbited their parent stars and weren't massive enough to trigger hydrogen fusion. |
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Anyone taking a trip to the local planetarium would have heard that the planets have 60 or so moons orbiting them on neat, nearly circular paths. |
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Astronomers have found most extrasolar planets orbiting younger, relatively metal-rich stars. |
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Their atmospheres will begin to boil off, and the planets themselves will be stretched into egg shapes by stellar tides. |
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Although there have been past hints of the existence of other planets around double stars, this is the first confirmation. |
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In the sun's family of nine planets, Jupiter far outdazzles the other eight. |
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During the year, the planets appear in the 12 zodiac constellations, as well as in Cetus, Hydra, Ophiuchus, Orion and Sextans. |
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Uranus and Neptune, the two outer planets, are too far away and too dim to be seen without a telescope. |
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The diminutive planet didn't appear massive enough to push the outer planets around. |
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Then, when it exploded, it pounded our star with shock waves, driving iron into both the sun and the budding planets around it. |
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Unlike the icy moons of giant planets, Pluto cannot be heated by gravitational interactions with a much larger planetary body. |
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Like planets, dwarf planets are spherical in shape, but they share the same celestial neighborhood with other similar-sized bodies. |
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These gas giants cannot support life, but it is believed that the exomoons orbiting these planets could still be habitable. |
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As more such objects were found in the same region, they became known as asteroids, or minor planets. |
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Ceres may have a thin, permanent atmosphere distinguishing it from the other minor planets. |
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Men with the names of minor planets visited by Captain Kirk actually affected your transport systems, your hospitals and your taxes. |
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No one knows if most extrasolar planets are gas giants or small, rocky planets. |
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The outer planets, called gas giants, formed farthest from the sun, where gases could remain stable. |
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The outcome of the International Astronomical Union resolution was that Pluto, Ceres and Eris were defined as dwarf planets. |
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Similar temperature inversions occur in the stratospheres of other planets in our solar system, such as Jupiter and Saturn. |
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The findings have ramifications for the understanding of atmospheric dynamics and the formation of giant planets like Jupiter. |
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Looking at the solar system, there seem to be two basic types of planets. |
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The findings have ramifications for the understanding of atmospheric dynamics and how giant planets like Jupiter are formed. |
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However, astronomers have proposed ways that giant planets could develop bulkier moons. |
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You can see in the table below a moon scorecard for the giant planets, which have more moons than any of the smaller planets closer to Earth. |
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The discovery has excited scientists because dwarf planets like Makemake date from the very origins of the solar system. |
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The discovery of planets orbiting red giant stars is rare, with only five such planets located around stars of that kind to date, she said. |
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The majority of known planets moving around giant stars have large and circular orbits. |
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It may be the case that Pluto and Charon are actually a binary system of two dwarf planets that orbit around a common centre. |
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There are the four smaller planets, Mercury, Venus, Earth and Mars, gas giants Jupiter and Saturn, the ice giants Uranus and Neptune. |
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Until recently, red dwarf stars were not considered capable of hosting planets that could support life. |
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It took several attempts to gain the attention of George Airy and, after several delays, James Challis began to search for planets. |
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A rich source of cosmic energy, the Cosment, was discovered, which allows these spacefarers to restore planets to a livable state. |
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Standing a few feet away, each player takes a turn tossing the three spaceships onto the planets. |
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This means that multiple star systems have a way to form planets, despite their complicated dynamics. |
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Some objects massive enough to burn deuterium may be brown dwarfs, while others may be planets, he notes. |
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Gravitational lensing has also been used to discover new planets and hunt for free-floating planets. |
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With such a fantabulous line up of planets shimmering away in the most positive sector, everything should be hunky dory. |
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Of the 63 candidate hot Jupiter systems identified by Kepler, the research team did not find any evidence for nearby companion planets. |
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To memorise a list of names or planets, use the first letters of each and use your imagination to link the phonetic alphabet words in a sequence. |
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These swingby manoeuvres were a way of saving fuel while using the gravity of planets to boost speed. |
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I have always doubted the existence of life on other planets. |
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The occasional backward movement of planets is evidence they revolve around the sun. |
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Outside all the other spheres, the heavenly, fifth element, manifested in the stars and planets, moves in the perfection of circles. |
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Ptolemy presented his astronomical models in convenient tables, which could be used to compute the future or past position of the planets. |
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As intimaters of character, planets psychologically represent psychic factors or reaction patterns. |
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Hooke clearly postulated mutual attractions between the Sun and planets, in a way that increased with nearness to the attracting body. |
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It might be that it is so difficult to start life that it has happened only once among all the planets. |
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The first is that, unlike planets orbiting a sun, electrons are charged particles. |
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In particular, he obtained a theoretical explanation of Kepler's laws of motion of the planets. |
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For example, Newton's laws explained thousands of years of scientific observations of the planets almost perfectly. |
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In 1679, Newton began to consider gravitation and its effect on the orbits of planets with reference to Kepler's laws of planetary motion. |
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Although we have not traveled to all the planets nor to the Sun, we know their masses. |
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However, the atomic electron and proton are held together by electromagnetic force, while planets and celestial objects are held by gravity. |
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Extraterrestrial rift valleys are also known to occur on other terrestrial planets and natural satellites. |
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This process is known as cryovolcanism, and is apparently most common on the moons of the outer planets of the solar system. |
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Methane has been detected or is believed to exist on all planets of the solar system and most of the larger moons. |
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The plane of ecliptic is the orbital plane of the earth and the other planets in the solar system. |
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We live in an orderly universe, where rules govern both the movements of planets and the binding of molecules. |
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The Solar System's giant planets are also thought to have liquid atmospheric layers of yet to be confirmed compositions. |
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Ocean planets are a hypothetical type of planet with a surface completely covered with liquid. |
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Exomoons orbiting planets, particularly gas giants within their parent star's habitable zone may theoretically have surface oceans. |
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It is also possible that terrestrial planets had magma oceans at some point during their formation as a result of giant impacts. |
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He was a real out-worlder, a wild man from one of the rough-and-tumble planets of the Zardalu Communion. |
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It explained geometrical models of the planets based on combinations of circles, which could be used to predict the motions of celestial objects. |
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It can be surmised that volcanism exists on planets and moons of this type in other planetary systems as well. |
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Earth is the densest planet in the Solar System and the largest of the four terrestrial planets. |
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More recently, the name is sometimes simply given as Earth, by analogy with the names of the other planets. |
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This is the maximum distance at which the Earth's gravitational influence is stronger than the more distant Sun and planets. |
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A study from 2016 suggested that Planet Nine tilted all solar system planets, including Earth's by about 6 degrees. |
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In addition to oceanic tides, large lakes can experience small tides and even planets can experience atmospheric tides and Earth tides. |
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Astronomers believe planets might form in this dead star's disk, like the mythical Phoenix rising up out of the ashes. |
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Posidonius's orrery, according to Cicero, exhibited the diurnal motions of the sun, moon, and the five known planets. |
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Another of Boehme's followers, the Welshman Morgan Llwyd, also believed that the seven planets could be found within man. |
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Most of early astronomy actually consisted of mapping the positions of the stars and planets, a science now referred to as astrometry. |
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Kepler was the first to devise a system that described correctly the details of the motion of the planets with the Sun at the center. |
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It was left to Newton's invention of celestial dynamics and his law of gravitation to finally explain the motions of the planets. |
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This work was further refined by Lagrange and Laplace, allowing the masses of the planets and moons to be estimated from their perturbations. |
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During the 1990s, the measurement of the stellar wobble of nearby stars was used to detect large extrasolar planets orbiting those stars. |
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The Solar System is subdivided into the inner planets, the asteroid belt, and the outer planets. |
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Some planets and moons accumulate enough heat to drive geologic processes such as volcanism and tectonics. |
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These substances are usually found in molecular clouds, although they may also appear in low temperature stars, brown dwarfs and planets. |
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Amateurs can make occultation measurements that are used to refine the orbits of minor planets. |
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The clock was provided with eight dials which showed the positions of the moon, stars and planets. |
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This has given humans the opportunity to travel to the Moon, and to send robotic explorers to other planets and far beyond. |
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Then Yajna personally took the post of Indra, the King of the heavenly planets. |
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In the age of this Manu, Rochana became Indra, the ruler of the heavenly planets, and there were many demigods, headed by Tushita. |
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Among the demigods were the Bhutarayas, and among the seven brahmanas who occupied the seven planets were Hiranyaroma, Vedasira and Urdhvabahu. |
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Penal transportation, typically to other planets, sometimes appears in works of science fiction. |
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They resemble highlands on Earth, but the term is applied to much larger areas on other planets. |
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