MemoryStone |
Things that I keep... ...and some that haunt me late at night. |
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Mysterious New ‘Dark Flow’ Discovered in Space
The galaxy cluster 1E 0657-56 (known as the Bullet Cluster) lies 3.8 billion light-years away. It’s one of hundreds that appear to be carried along by a mysterious cosmic flow. Credit: NASA/STScI/Magellan/U.Arizona/D.Clowe et al.
