Amazing as hell

Amazing as hell

7,100 lightyears away, you’ll find the Bubble Nebula in the constellation Cassiopeia. The bubble is 6 lightyears in diameter and is expanding at a rate of 7 million kilometers per hour.

More info: http://1.usa.gov/11ab8XM

Photo credit: NASA, Donald Walter (South Carolina State University), Paul Scowen and Brian Moore (Arizona State University)

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This entry was posted in Science.

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