The case of the brown star that’s really red or possibly blue | Bad Astronomy | Discover Magazine
Brown dwarfs are poorly named: they’re not really brown. They’re objects that are too small to really be called stars; they lack the oomph needed to fuse hydrogen into helium in their cores, which is the the mark of a true star. Because of this, they are far cooler than actual stars. Since cool stars are red, you’d think brown dwarfs would actually be really red.
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Amateur astronomer, citizen scientist, musician, graphic/website designer, fully qualified geek, Linux user and supporter of The Zooniverse!
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