| Late spiral galaxies account for only about 45 percent of nearby galaxies, but they were found to contain almost all the supernovas. |
|
| I read up on interstellar objects and astrophysics and studied quasars, pulsars and supernovas, but my main focus was black holes. |
|
| Stars like our sun form white dwarfs, but those about 1.5 times heavier become supernovas and collapse to form a neutron star. |
|
| The new supernovas were found in galaxies ranging from four to seven billion light years away. |
|
| Since their brightness is a constant, such supernovas can serve as reliable indicators of distance in deep space. |
|
| Outer space was a vivacious place, filled with planets and stars, moons and black holes, supernovas and asteroid belts. |
|
| After losing the raw material needed for creating more supernovas, postcollision spiral galaxies become populated with aging stars, as are elliptical galaxies. |
|
| Even though supernovas can appear as bright as galaxies when viewed with optical telescopes, this light represents only a small fraction of the energy released. |
|
| There are meteors and comets and supernovas and yes, black holes. |
|
| Some astronomers worry that supernovas were intrinsically different in the past or that cosmic dust could make the supernovas appear dimmer than they really are. |
|
| The research and analysis ranges from providing more accurate hurricane predictions, to climate change, galaxy formation, black holes and supernovas. |
|
| The thermonuclear explosion of a white dwarf star produces such supernovas. |
|
| Pulsars are rapidly spinning neutron stars, the superdense remains of massive stars that have exploded as supernovas. |
|
| Pulsars, dense leftovers of supernovas, sweep beams of radiation from their poles at intervals with precision comparable to atomic clocks. |
|
| Shrapnel from one of the supernovas appeared to run into another star within hours of the explosion, astrophysicist Yi Cao of Caltech and colleagues report. |
|
| The discovery confirms the accepted theory that type II supernovas are produced when elderly, bloated stars known as red supergiants run out of nuclear fuel and collapse. |
|
| However, Immler says, there's a mystery because many stars take several billion years to become white dwarfs and then explode as type la supernovas. |
|
| Vogue Dance School in Bootle, Zodiac Roadshow in Walton and Supernovas of Prenton entered with 200 other schools. |
|
