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physical object > natural object > celestial body > nebula > H II region > gaseous nebula > Carina Nebula

Carina Nebula comparison table

Subject	is a kind of	is an instance of	has synonym	has image	has definition
gaseous nebula	H II region		emission nebula		An H II region, a supernova remnant, or a planetary nebula. H II regions have an emission-line optical spectrum, and a thermal continuous spectrum declining in intensity as the wavelength increases (from maximum in the ultraviolet) through infrared and radio. Supernova remnants have an emission-line optical spectrum and a nonthermal radio spectrum. Temperatures of planetary nebulae are much higher than those of H II regions.
Carina Nebula		gaseous nebula	NGC 3372

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