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This page contains all of the posts and discussion on MemeStreams referencing the following web page:
APOD: 2011 December 21 - A Horseshoe Einstein Ring from Hubble.
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APOD: 2011 December 21 - A Horseshoe Einstein Ring from Hubble
by
Decius
at 11:05 am EST, Dec 21, 2011
What's large and blue and can wrap itself around an entire galaxy? A gravitational lens mirage.
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