| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,803,191,694 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
type II supernova |
Also found in: Wikipedia | 0.04 sec. |
|
type II supernova [′tīp ¦tü ¦sü·pər′nō·və] (astronomy) A member of a class of supernovae that display prominent lines of hydrogen in their spectra and have irregular light curves; they are believed be explosions of young massive stars, still in possession of their hydrogenic surface layers. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Other features of the remnant, however, especially its dense shell of gas and dust, indicate that it came from a core-collapse supernova. If that rate of dust expulsion is typical, it would suggest that core-collapse supernovas have been major producers of dust throughout cosmic history. A small fraction of core-collapse supernovas produce gamma-ray bursts (SN: 5/17/03, p. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|