From Wikipedia, the free encyclopedia - View original article
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. 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:
|This article includes a list of related items that share the same name (or similar names).|
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.