Messier 39 is, when it comes to the amount of stars, a small open star cluster. Only about 80 stars belong to Messier 39. [1] M39 belongs to the constellation Cygnus. M39 is also cataloged as NGC 7092. [1] The star cluster is less than 1000 lightyears away from our solar system. Its size is […]
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Messier 39
