Most distant cosmic explosion was a star collapsing into a black hole

It came from the edge of the visible universe, the most distant explosion ever detected. In this week's issue of Nature, scientists at Penn State University and their U.S. and European colleagues discuss how this explosion, detected on 4 September 2005, was the result of a massive star collapsing into a black hole.

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<p><a href="http://www.physorg.com/news11539.html">Most distant cosmic explosion was a star collapsing into a black hole</a></p> <p>It came from the edge of the visible universe, the most distant explosion ever detected. In this week's issue of <i>Nature</i>, scientists at Penn State University and their U.S. and European colleagues discuss how this explosion, detected on 4 September 2005, was the result of a massive star collapsing into a black hole.</p>