Supernova Remnants: can a Fossil H II Region BE Formed as the Result of a Supernova Explosion?An estimate of the amount of ionizing radiation available in a supernova explosion falls far short of the amount needed in the standard model of the Gum nebula. The only possibility left is ...
of a new method for analyzing the chemistry of too 07:23 prep 07-1-44 Scientists at the Los Alamos National Laboratory have succeeded fo 07:19 prep 07-1-43 A one-million-year-old skull bearing traits associated both with H 06:42 prep 07-1-42 As a result of a supernova explosion,...
Supernovae are massive exploding giant stars.A supernova is known as one of the most energetic explosive s.When the explosion occurs, the resulting illumination can be as bright as an entire galaxy.It occurs at the end of a stars lifetime, when its nu
a九宫、八观、五大禅林、十二茅庵等四十余座庙宇 Imperial palace, eight views, five big buddhist temples, 12 Mao An and so on 40 temples[translate] aSuperNova - the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 ...
But now new large surveys are bringing about a paradigm shift --- we can finally compare samples of hundreds of supernovae to isolate critical variables. As a result of this, and advances in modeling, breakthroughs in understanding all aspects of SNe Ia are finally starting to happen. 展开 ...
Blue-supergiant stars develop into core-collapse supernovae --- one of the most energetic outbursts in the universe --- when all nuclear burning fuel is exhausted in the stellar core. Previous attempts failed to explain observed explosions of such stars which have a zero-age main sequence ...
As a result of this phase transition, linear defects and cracks are formed in solids state, and high-temperature plasma occurs in the gas and an explosion occurs. It is shown that the explosion and lightning are the same phase transition, which is caused by the occurrence of a critical ...
the supernova remnants, within a few kpc, which give the highest contibution to the total intensity at the present epoch. Among the most important factors which result in the small magnitude and the energy independence of the anisotropy amplitude are the mixed primary ...
The progenitor of a Type Ia supernova has never been seen, but the consensus is that they are the result of the thermonuclear explosion of a degenerate carbon-oxygen white dwarf (WD) star5 gaining mass in a binary system6, in contrast to the other types of supernovae, which are thought...
The progenitor of a Type Ia supernova has never been seen, but the consensus is that they are the result of the thermonuclear explosion of a degenerate carbon-oxygen white dwarf (WD) star5 gaining mass in a binary system6, in contrast to the other types of supernovae, which are thought...