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physical object > natural object > celestial body > nebula > H II region > gaseous nebula > expanding emission nebula > supernova remnant |
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supernova remnant (SNR) | ||||
subject | fact |
supernova remnant | has ejection velocity 10000 km s-1 | ![]() |
produces synchrotron radiation | ![]() | |
has acronym SNR | ![]() | |
has definition The expanding shell of gas ejected at high speed by a supernova explosion, observed as an expanding diffuse gaseous nebula, often with a shell-like structure. | ![]() | |
has definition A gaseous nebula, the expanding shell ejected by a supernova, and deriving its energy (at least in some cases) from the conversion by the remanent neutron star of its rotational energy into a stream of high-energy particles being continually accelerated in the SNR. About 100 SNRs are known in our Galaxy. Supernova remnants are usually powerful radio sources. | ![]() | |
is a kind of expanding emission nebula | ![]() | |
is a kind of radio source | ![]() | |
radio source | has wavelength radio | ![]() |
is a part of celestial sphere | ![]() | |
has catalog radio source catalog | ![]() | |
expanding emission nebula | has composition enhanced with heavy elements relative to the interstellar medium | ![]() |
has explosion date | ![]() | |
has progenitor star | ![]() | |
has expansion velocity | ![]() | |
celestial body | has spectra | ![]() |
gaseous nebula | has synonym emission nebula | ![]() |
physical object | has location or center of gravity | ![]() |
has angular momentum | ![]() | |
has mass | ![]() | |
has velocity | ![]() | |
has momentum | ![]() | |
has temperature | ![]() | |
has volume | ![]() | |
has extent | ![]() | |
has material | ![]() | |
nebula | is a part of gas | ![]() |
Kinds of supernova remnant :
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