supergiant star

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Main sequence stars – Astronomy

By |2018-05-31T11:49:32-07:00August 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 [...]