supernovae in English
They discover comets, asteroids, quasars, pulsars, supernovae , planets orbiting other stars, and galaxies at the edge of the universe, but none have ever claimed to have discovered a UFO.
Use "supernovae" in a sentence
1. The nature of ultra-stripped supernovae can be both iron core-collapse and electron capture supernovae, depending on the mass of the collapsing core.
2. Five supernovae have been identified in M100.
3. Supernovae remnants can leave behind pulsars or spinning neutron stars that may produce gravitational waves.
4. Supernovae that do not fit into the normal classifications are designated peculiar, or 'pec'.
5. Supernovae create, fuse and eject the bulk of the chemical elements produced by nucleosynthesis.
6. By the late 1980s, a suitable standard candle had been indentified: type Ia supernovae.
7. Schmidt's PhD thesis was supervised by Robert Kirshner and used Type II Supernovae to measure the Hubble Constant.
8. Type Ia supernovae are produced from white dwarf stars in binary systems and occur in all galaxy types.
9. Type Ia supernovae all explode with nearly the same amount of energy and therefore have almost the same intrinsic brightness.
10. The Abruptness would mean that, as astronomers look farther into the early universe, the number of supernovae should drop precipitously, with vast numbers of …
11. In 1998, observations of distant Type Ia supernovae indicated the unexpected result that the universe seems to undergo an accelerating expansion.
12. This is one scenario for producing high luminosity supernovae and is thought to be the cause of Type Ic hypernovae and long duration gamma-ray bursts.
13. When they occur within the Milky Way, supernovae have historically been observed by naked-eye observers as "new stars" where none seemingly existed before.
14. Although we are used to thinking of supernovae primarily as luminous visible events, the electromagnetic radiation they release is almost a minor side-effect.
15. These elemental Abundances can be measured in spectral features of nearby stars, which keep a "record" of supernovae from the past, like fossils do …
16. It is expected to discover a large number of Type Ia supernovae in other galaxies, which are important in studying the effects of dark energy, and also optical afterglows of gamma ray bursts.
17. Astronomers from the High-z Supernova Search Team and the Supernova Cosmology Project used ground-based telescopes and HST to observe distant supernovae and uncovered evidence that, far from decelerating under the influence of gravity, the expansion of the universe may in fact be accelerating.