Abell 520
Submitted by chandra on Thu, 2007-08-23 15:03This messy collision of galaxy clusters is about 2.4 billion light years from Earth.
Who's Afraid of the Dark?
Submitted by chandra on Thu, 2007-08-23 14:47A lot of kids (and maybe adults) are scared of the dark. Most of us get over it once we realize there isn’t a monster hiding in the closet or under the bed. But then scientists announce another finding about dark matter and we all are back peering from under the sheets.
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