Physics
Physics, 29.07.2019 20:20, meCreation

A(n) is a collection of 105 to 106 stars in a region 10 to 30 pc in diameter. the stars in the collection tend to be more than 109 years old and mostly yellow and red stars.

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A(n) is a collection of 105 to 106 stars in a region 10 to 30 pc in diameter. the stars in the coll...

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