Astronomers Observe Relativistic Expansion Of Supernova
Initial e-VLBI detection of SN 2007gr with the EVN on 6-7 September 2007 (colors). The EVN and Green Bank Telescope VLBI image obtained on 5-6 November 2007 is overlaid (contour representation). By the time of the second observation the source had expanded and was no longer consistent with an unresolved object as bright as indicated by the independent WSRT measurements. At the distance of the supernova this is consistent with an expansion velocity higher than half of the speed of light. |
by Staff Writers
Dwingeloo, The Netherlands (SPX) Jan 26, 2010
Article withdrawn until Wednesday.
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Scientists have switched the world's most powerful atom-smasher to standby for two and a half months, the European Organisation for Nuclear Research (CERN) said on Friday.
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CERN sa ... read more
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