About 12.4 billion years ago, a supermassive black hole produced so much energy, it stirred up gas across its entire galaxy.
from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1Zpswa8
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About 12.4 billion years ago, a supermassive black hole produced so much energy, it stirred up gas across its entire galaxy.
Four SpaceX Crew-11 members gather together for a crew portrait wearing their Dragon pressure suits during a suit verification check in...
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