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ShareIn astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics..
For more information about the topic Stellar classification, read the full article at Wikipedia.org, or see the following related articles:
Supergiant — Supergiants are the most massive stars. Supergiants can have masses from 10 to 70 solar masses and brightness from 30,000 up to hundreds of thousands ... > read more
Red giant — A red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giant stars. ... > read more
Red supergiant star — Red supergiants are supergiant stars of spectral type K-M and a luminosity class of I. They are the largest stars in the universe in terms of ... > read more
Blue supergiant star — Blue supergiants are supergiant stars (class I) of spectral type O. They are extremely hot and bright, with surface temperatures of between 20,000 - ... > read more
Planetary nebula — A planetary nebula is an astronomical object consisting of a glowing shell of gas and plasma formed by certain types of stars at the end of their ... > read more
Star cluster — Star clusters are groups of stars which are gravitationally bound. Two distinct types of star cluster can be distinguished: globular clusters are ... > read more
Brown dwarf — Brown dwarfs were originally called black dwarfs, a classification for dark substellar objects floating freely in space which were too low in mass to ... > read more
Stellar evolution — In astronomy, stellar evolution is the sequence of changes that a star undergoes during its lifetime; the hundreds of thousands, millions or billions ... > read more
Astrophysics — Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, ... > read more
Orion Nebula — The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a glowing emission nebula with a greenish hue and is situated below Orion's Belt. It ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Stellar classification at Wikipedia.org. See the Wikipedia copyright page for more details.
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