How to use comets in a sentence

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Sentence Examples And so we end up being able to trace organic material from deep space to the outer solar system through comets. Its mission is to study the primordial soup of our solar system, which is sealed away inside comets. But comets are shaped and affected by the Sun and the solar wind, making them more like kin than aliens. There are vast numbers of comets in the solar system, more than there are asteroids, but most lie out of sight beyond Pluto. Both comets and shubunkins work well in most ponds and require a lot less maintenance than koi. Available in the spring our koi, comets, and shubunkins are reasonably priced. In almost all the comets examined, the spots were present only in the head of the comet. The heavily cratered surface seems different from other comets we've seen up close. Section IV takes us off the land and into comets, galaxies and constellations of stars. The rain continued pouring down in torrents, and lightning kept on flashing unendingly like comets in the black sky. As orbiting comets pass near the sun, intense heat strips them of a layer of dust and ice. Dozens of comets are discovered each year as well, many by automated telescopes and spacecraft. In particular he showed that comets have a solid nucleus, and that they generate their own light. Several bright comets streaked across the sky and then disappeared in an instant. We have just discussed some of the positive benefits of planetary impact by comets and asteroids. Rather, they are produced by bits of dusty debris shed by orbiting comets and asteroids. Bombardment by asteroids and comets is an extraterrestrial process that may release huge quantities of water. He observed the comets of 1665, and made other astronomical observations, publishing his descriptions of these events. Long-period comets can have orbits ranging from eccentric ellipses to parabolas to even modest hyperbolas. In the first part of his career he made observations of double stars, observed planets and comets and did research in geometry. Show More Sentences Circles are the subject matter of her new work and she uses them to explore her fascination with planets, moons, suns, fireballs and comets. Unlike Kuiper belt comets, Oort cloud comets can rain down on the inner solar system from any angle and any direction. According to Brownlee, the loose aggregate of particles seen on comets may represent the first generation of solids in the solar system. The Kuiper belt is an icy disk of debris orbiting the sun, beyond Neptune, and is the original home of many comets. Some exobiologists have theorized that comets such as Hyakutake helped seed early Earth with the ingredients for life. They will be studying water, carbon monoxide, ammonia and methanol four of the most abundant gases from comets. Like planets, comets orbit the Sun, but their path is usually long and narrow. In contrast, Jupiter-family comets tend to have predictable, well-determined orbits with short periods and low inclinations. Both comets and asteroids are the left-over building blocks of the planets in our solar system. Our star system is chock full of asteroids and comets, in every conceivable orbit and location. Newton favoured comets having parabolic orbits, but Halley believed that elliptical orbits might exist. Most of the larger asteroids and comets are also in stable orbits around the sun. Our knowledge of comets and asteroids has dramatically improved over the last 20 years. These scientists also study the natural satellites of other planets as well as asteroids and comets. Some explanations for extinctions and evolution include strikes by asteroids or comets. It has been suggested that impacts with comets and asteroids provided Earth with much of its water. In many ways asteroids and comets are likely to offer more varied and abundant natural resources than the Moon. Most newly discovered comets seem to originate from an area in space known as the Oort cloud, named after Dutch astronomer Jan Oort. This material is not related to comets but rather to other astronomical bodies. He made further observations of comets, and recorded the lunar eclipse of 3 September 1457 from a site near Vienna. Show More Sentences It was Apian who first drew the tails of comets pointing away from the sun and not streaming out behind them. The gases, expelled as jets, drive out debris that had been embedded in the ice, endowing comets with their flamboyant tails. Astronomers here observe the universe by studying faint radio waves emitted by stars, evaporating comets and distant galaxies. Once ejected, the tarry comets would simply suck up visible light, he says, remaining cloaked in darkness. Team member Mark Wyatt says the reasons for the huge number of comets orbiting Tau Ceti are not fully understood. The medieval view had it that comets were signs of a ruined world that has fallen into sin. Non-fluorescent techniques for visualizing comets based on staining with silver nitrate have also been used. The spacecraft may tell us more about comets and their place in the solar system. The chunks and pieces of the planet after the explosion could explain the asteroids, meteors and comets. If it turns out that passing comets have deposited water ice on the moon, hydrogen and oxygen might be even more easily obtained, he added. Other sources of high iridium concentrations are extraterrestrial objects, such as meteorites or comets. They belong to the Kreutz family of sun-grazing comets, often seen by the SOHO spacecraft while diving towards their final rendezvous with the Sun. Just like mythological centaurs are half human and half horse, astronomical centaurs combine features of asteroids and comets. They've been named wood nymphs, comets, mountain gems, fairies, sunbeams, plummeteers, sun angels and woodstars by the people who discovered them. Fragments of asteroids and comets pervade interplanetary space. There are meteors and comets and supernovas and yes, black holes. But comets, thanks to their eccentric and frequently long orbits, are trickier to study up close. The appearance of comets in photographs can give the erroneous impression that they streak through the night sky like a meteor or a shooting star. I have to say that plain old comets and shubunkins have to be my faves. This universe is very similar to our own, with thousands of stars and galaxies, black holes, comets and meteors each a part in the never-ending celestial dance. Show More Sentences 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. Specific problems which Lexell studied in astronomy were his calculation of the solar parallax and his calculation of the orbits of several comets. For example, amateurs have always been to the fore in discovering comets and novae, hunting for supernovae, and monitoring events happening on the planets. Instead of orbiting the Sun, like most comets, however, this one had been captured by Jupiter's gravity and the rocky fragments now orbited the King of Planets itself. Thanks to Rosetta, we stand to learn as much about comets in a matter of months as we have in centuries of study. Astronomers want to know how much of the dust in the Solar System is shed by comets and asteroids, and how much comes directly from interstellar space. We have considered the Moon and planets crossing the Sun or the stars, Jupiter eclipsing the Galilean satellites, and measuring the sizes of asteroids and comets. The Early Earth, scientists believe, was subjected to a bombardment by comets and asteroids, and heated to such a degree that its primordial oceans evaporated. His work on applying trigonometric methods to astronomical problems led him to note correctly that comets displayed a proper motion against the background stars. Comets in this group, called the Jupiter family comets, revolve around the Sun near the plane of the ecliptic in the same direction as Earth's orbit. Later he made micrometrical observations of comets and double stars with the 15-inch refractor in order to determine their orbits. Like all comets, ISON is a dirty snowball made up of dust and frozen gases such as water, ammonia, methane and carbon dioxide. To solve the problem, we need to study a lot more comets and meteorites. Comets with small semimajor axes never leave the planetary part of the solar system, and constitute the kingdom of short-period comets. Icy comets colliding produce amino acids, the building blocks of ice, potentially shedding light on how life on Earth started. They can also discover comets, and perform regular observations of variable stars. The origin of the world's oceans was condensation augmented by water and ice delivered by asteroids, protoplanets, and comets. He describes comets, noting that only Aristotle has recorded seeing more than one at once. Scientists at NASA's Near-Earth Object Program, which tracks asteroids and comets, ruled out any chance of impact. This cloud, known as the Oort Cloud, is believed to be the reservoir from which comets emanate. Show More Sentences The event will highlight the science behind the Perseids, as well as NASA research related to meteors and comets. This large collection of meteorites allows a better understanding of the abundance of meteorite types in the solar system and how meteorites relate to asteroids and comets. The samples that Genesis returns will show us the composition of the original solar nebula that formed the planets, asteroids, comets and the sun we know today. Small Solar System Bodies These currently include most of the Solar System asteroids, most trans-Neptunian objects, comets and other small bodies. For more detailed information about comets, astroids, and trans-Neptunian objects, which make up the heart of my research, I contact the Minor Planet Center at Harvard. Long-period comets that hail from the distant Oort cloud originally formed in Uranus-Neptune region, far enough from the Sun that water ice could survive. Already, according to one report, Rosetta has found unusual levels of heavy hydrogen, indicating that primordial comets didn't provide the Earth's oceans with water. Such estimates can be used to extend the visual light curves, and hence derive more accurate absolute magnitudes, and to derive equivalent parameters for fainter comets. In astronomy, chaoslike phenomena include the orbits of asteroids, comets, and satellites, where small disturbances can have dramatic and complex effects. Planetary science is the study of the assemblage of planets, moons, dwarf planets, comets, asteroids, and other bodies orbiting the Sun, as well as extrasolar planets. Comets are continually being lost through decay, collisions with planets, and ejections from the solar system. Comets originate in the Oort Cloud, which lies beyond the orbit of the outermost planet. Inside Out also follows the Workington Comets, a second division speedway team that has one of the highest followings in speedway despite not even being top of their league. Comets are thought to be remnants from the earliest days of the solar system, containing pristine space dust and other material from this crucial period. Comets contain amino acids, which are organic compounds that include the raw ingredients for proteins that make for living things. Comets represent fragments of primitive material from the outer Solar System in the same way that asteroids represent fragments of material from the inner Solar System. Comets are prone to outbursts of activity like this, but the exact reasons for the activity are not well understood, according to the European Space Agency. Comets are in effect dirty snowballs, water ice coated in organic gunk. It was a time of Bill Haley and the Comets, Elvis and the jitterbug. Workington Comets are the town's professional speedway team, which competes in the British Speedway Premier League. Show More Sentences Comets condensed out of the contracting solar nebula at the formation of the solar system, in the distant Edgeworth-Kuiper belt and Oort Cloud. Ethan Miller, the superenthusiastic singer, songwriter and guitarist of this sextet, has played for most of this decade with another band, Comets on Fire. Examples from Classical Literature The extremes of temperature at perihelia and aphelia to which comets are subjected did not bother him particularly. To the stolid German mind they were human comets, whose comings and goings were not to be gaged by any reasonable standard. There were also comets and meteors and calcium-clouds and high-energy free nuclei, all of which acted as was appropriate for them. And those other, sporadic members of our system, comets and meteors, what are they? All stars and suns, and all planets, satellites and comets and nebulae are subject to this universal law. There are bristling comets, they are like the skins of beasts with their hair on, and are surrounded by a nebulosity. Then the world was filled with novae and comets as the extinguisher struck. The line of apsides of a large proportion of comets will be approximately coincident with the solar orbit. A group of five comets, including Halley's, own a sort of cliental dependence upon the planet Neptune. They have observed ninety-three different comets, and settled their periods with great exactness. There had been aspirations, gorgeous and tangental as comets are. The orbits of comets are ellipses that are greatly elongated or parabolas. They are also revealed by the spectroscope in stars, comets and the sun. While most meteor showers come from comets, Geminids is different because the 'parent' is an asteroid. They were stars, I knew, and flaring comets, that peopled my flight among the suns. But sliding down the ropes like baleful comets, the two Canallers rushed into the uproar, and sought to drag their man out of it towards the forecastle. Find more words! 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Words that rhyme with comets What is the adjective for comets? What is the noun for comets? Use our Sentence Generator Nearby Words come true come to the point come to terms with come to terms come to mind come to light come up come up against come upon comeuppance come-uppance come up short 6-letter Words Starting With c co com come comet