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San Francisco, 3:29 AM
Thu Dec 31
26 posts in the last 24 hours
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Let's Hope This Giant Galaxy Doesn't Come And Kick Our Asses
Centaurus A not only has a terrifying name, it's our nearest "giant galaxy," only 13 million light years away. Its superluminous central area comes from a supermassive black hole, and it's already swallowing a neighboring spiral galaxy. How long before it comes and pwns us? More »