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Dwarf star

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Title: Dwarf star  
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Subject: Helium flash, G-type main-sequence star, Variable star, Star, Stellar classification
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Dwarf star

The term dwarf star refers to a variety of distinct classes of stars. The term was originally coined in 1906 when the Danish astronomer Ejnar Hertzsprung noticed that the reddest stars—classified as K and M in the Harvard scheme—could be divided into two distinct groups. They are either much brighter than the Sun, or much fainter. To distinguish these groups, he called them "giant" and "dwarf" stars,[1] the dwarf stars being fainter and the giants being brighter than the sun. The scope of the term "dwarf" was later expanded to include the following:

See also

References

  1. ^ Brown, Laurie M.;  
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