supernova remnant [¦sü·pər′nō·və ′rem·nənt] (astronomy) A nebula consisting of an expanding shell of gas that has been ejected by a supernova. Abbreviated SNR. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, ...
A supernova is a stellar explosion that may occur in some stars more massive than the Sun when they reach a point late in their evolution. Such explosions are extremely bright and can outshine an entire galaxy for a short period of time. During a supernova explosion, most of a star's ...
Supernova Remnants: Dazzling Entrails of Violent Stellar DeathAdam Mann
Related to Remnants: Supernova remnantsrem·nant (rĕm′nənt) n. 1. Something left over; a remainder. 2. A piece of fabric remaining after the rest has been used or sold. 3. A surviving trace or vestige: a remnant of his past glory. 4. often remnants A small surviving group of...
Although only a small fraction of stars end their lives as supernovae, all supernovae leave behind a supernova remnant (SNR), an expanding shock wave that interacts with the surrounding medium, heating the gas and seeding the cosmos with elements forged in the progenitor. In this chapter, ...
The interaction between supernova remnants (SNRs) and interstellar clouds in the galaxy is known to play a major role in determining the structure of the interstellar medium (ISM). We know that the ISM is highly inhomogeneous, consisting of both diffuse atomic clouds (T~100K) and dense ...
1.2. Supernova remnant evolution Given the non-linearity of DSA, the evolution of SNRs has implications for when and at what efficiency CRs are produced. The key parameters governing the evolution of a supernova (SN) explosion are the initial energy, progenitor system, and surrounding interstellar...
And NASA's Hubble Space Telescope may have found the remnants of just such a star in our neighboring galaxy, the Large Magellanic Cloud, NASA said in (https://www.nasa.gov/image-feature/goddard/2017/wispy-remains-of-supernova-explosion-hide-possible-survivor) a statement Thursday. Hubble Spot...
Optical observations of young supernova remnants can give information on the abundance structure of the supernova ejecta, from which properties of the supernova explosion can be deduced. Young remnants also act as laboratories for fast shock wave phenomena. Observations of X-ray and optical line ...
list of supernova remnants 读音:美英 list of supernova remnants基本解释 明亮的超新星列表 分词解释 list清单,目录 supernova(天文)超新星 remnants剩余部分( remnant的名词复数 )