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Q&A Tiny galaxies with exoplanets

Segue 2 is a galaxy with only about 1000 stars and is 111 light years in radius. It has a light output only 900 times that of our sun. (This is a real galaxy in our universe) However, I want my fi...

2 answers  ·  posted 6y ago by P.Lord‭  ·  last activity 6y ago by P.Lord‭

Question astronomy reality-check solar-system galactic