Talk:Swift J1644+57

Smith, Stephen (2011-04-11). "Down the Barrel". Retrieved 2011-04-22. is hardly a reputable source — Preceding unsigned comment added by AllCluesKey (talk • contribs) 19:13, 11 April 2012 (UTC)

External links modified
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 * Added archive https://web.archive.org/web/20110724102401/http://scienceray.com/physics/the-most-intense-cosmic-explosion-ever-seen/ to http://scienceray.com/physics/the-most-intense-cosmic-explosion-ever-seen/

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