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  1. Jason Nishiyama (evilscientistca@octodon.social)'s status on Wednesday, 06-Mar-2019 21:23:04 EST Jason Nishiyama Jason Nishiyama

    By discovering Cepheid variable stars in M31, Edwin Hubble was able to measure the distance to this object. This distance measurement ended the argument about the "spiral nebulae" being objects in our own Galaxy and showed that M31 and others are also galaxies far, far away. #astrophoto

    In conversation Wednesday, 06-Mar-2019 21:23:04 EST from octodon.social permalink
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