What's the furthest object you've ever seen? How about 7.5 billion light years?
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Holy Haleakala! Yesterday, a gamma-ray burst went off that was so bright that had you been looking at the right spot in the sky you could have seen it with just your own eyes!
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So that’s what makes GRB 080319B (the second GRB seen on 2008 March 19) so incredible: distance measurements put it at 7.5 billion light years away, yet it was visible to the unaided eye had you just happened to be looking up at the sky at that moment.
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http://www.badastronomy.com/bablog/2...e-visible-grb/
Totally mind boggling. The brightness of this is beyond fathoming.
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Uncertainty is an uncomfortable position.
But certainty is an absurd one.
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