Zooming into Andromeda: The Andromeda galaxy contains about one trillion stars and is approximately 220,000 light years in diameter. This image was put together using the sharpest photograph of Andromeda ever taken. (Credit: NASA/ESA) via /r/spaceporn http://bit.ly/2GtKVTK
via Tumblr http://bit.ly/2Gn76d4
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