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The week in pictures: March 30-April 5, 2013

In the past seven days, a black hole eats a super-Jupiter, a detector studying antimatter finds possible new clues about dark matter, Hubble breaks record in search for farthest supernova, and more.
NASA's Goddard Space Flight Center/Axel Mellinger

Swift sizes up Comet ISON

Using images acquired over the past two months, astronomers have made initial estimates of Comet ISON’s water and dust production and used them to infer the size of its icy nucleus. Learn more »
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