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1 .This is Scientific American's 60-Second Space. I'm John Matson. Got a minute?
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2 .As Dr.Soran, the bad guy in the movie Star Trek: Generations, found out, blowing up a star sometimes takes a few tries.
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3 .Such was also the case for an object called SN 2009ip.
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4 .It's a star in a galaxy about 80 million light-years away.
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5 .Or, rather, it was a star.
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6 .It first drew attention in 2009, when it flared up brightly in an apparent supernova—a star exploding at the end of its life.
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7 .But it was soon unmasked as a supernova impostor--a nonfatal outburst from a massive star that only looks like a full-blown supernova.
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8 .Following two subsequent flare-ups, astronomers have now concluded that SN 2009ip has gone supernova at last.
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9 .During a 2012 outburst, the star brightened much more than usual, becoming a billion times as luminous as the sun.
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10 .And spectroscopic observations revealed that gas was racing outward at roughly 8,000 kilometers per second.
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11 .Speeds that high indicate a cataclysmic explosion triggered by the collapse of the star's core.
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12 .The research will appear in the Monthly Notices of the Royal Astronomical Society.
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13 .Astronomers now have the rare opportunity to study details of a supernova--both before and after.
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14 .Thanks for the minute, for Scientific American's 60-Second Space. I'm John Matson.
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