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Main sequence stars – Astronomy

By |2018-05-31T11:49:32+00:00August 18th, 2017|Physics|

Main sequence stars: A starry sky with the Milky Way galaxy (thanks to Bernd Nies) What is a main sequence star? Nine out of ten stars that you see in the sky are main-sequence stars, and our sun is one of them. (More about the sun) Most main-sequence stars probably started out as brown dwarfs, and then succeeded [...]

Brown dwarf stars – Space science

By |2018-05-31T11:49:30+00:00August 17th, 2017|Physics|

What a brown dwarf might look like up close The very beginning of a star forming is a brown dwarf: a star that hasn't gotten enough mass together yet to begin nuclear fusion. They are the smallest and coolest kind of star. Brown dwarfs aren't really brown, but they are a very dull red color. They hardly [...]