Astronomy Photo of the Day: 6/18/15 — NGC 6781 - From Quarks to Quasars

From Quarks to QuasarsAstronomy Photo of the Day: 6/18/15 — NGC 6781From Quarks to QuasarsNGC 6781 is a lone bubble drifting through space a few thousand light-years from Earth (within the constellation of Aquila). Of course, it's not a bubble, but from a cosmic perspective, it is just as fleeting. Instead of being forged from soap, this ...

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