Someone in space is blowing bubbles [Amazing Photo of the Day]

sharpless308_husted_960

“Blown by fast winds from a hot, massive star, this cosmic bubble is huge. Cataloged as Sharpless 2-308 it lies some 5,200 light-years away toward the constellation of the Big Dog (Canis Major) and covers slightly more of the sky than a Full Moon.”

[via NASA]

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