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physical object > natural object > celestial body > nebula > H II region > gaseous nebula > expanding emission nebula > supernova remnant > Vela supernova remnant

Vela supernova remnant
subject			fact

Vela supernova remnant	is a part of Vela
	has definition A gaseous nebula in the middle of the Gum Nebula, the remnant of a Type II supernova whose light reached Earth about 10000 to 30000 years ago. It consists of bright filaments that form a D-shaped ring in Hα and a rough circle in the ultraviolet. It includes the Vela X, Y, and Z radio complexes and is a strong X-ray source.
	is an instance of supernova remnant
supernova remnant	has ejection velocity 10000 km s-1
	produces synchrotron radiation
	has acronym SNR
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

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