Twin Star Explosions Fascinate Astronomers

Scientists using NASA's Swift satellite stumbled upon a rare sight, two supernovas side by side in one galaxy. Large galaxies typically play host to three supernovas per century.

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<p><a href="http://www.physorg.com/news83259578.html">Twin Star Explosions Fascinate Astronomers</a></p> <p>Scientists using NASA's Swift satellite stumbled upon a rare sight, two supernovas side by side in one galaxy. Large galaxies typically play host to three supernovas per century. </p>