Andromeda spiral galaxy reveals explosive stars in its interior, and cooler, dusty stars forming in its many rings. This is a mosaic of images from the Herschel Space Observatory and the XMM-Newton telescope. [1500 × 2042] via /r/spaceporn https://ift.tt/2urB5Ot
via Tumblr https://ift.tt/2pJ43EG
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