Selasa, 03 Desember 2019

Hoag's Object Is a Galaxy Within a Galaxy Within a Galaxy (and Nobody Knows Why)

Hoag's object, which is a galaxy within a galaxy within a galaxy, has befuddled stargazers since astronomer Arthur Hoag discovered it in 1950.

from Livescience.com https://ift.tt/2RfOqmQ
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