Supernova leaves behind mysterious object

Thanks to data from ESA's XMM-Newton satellite, a team of scientists taking a closer look at an object discovered over 25 years ago have found that it is like none other known in our galaxy.

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<p><a href="http://www.physorg.com/news71499676.html">Supernova leaves behind mysterious object</a></p> <p>Thanks to data from ESA's XMM-Newton satellite, a team of scientists taking a closer look at an object discovered over 25 years ago have found that it is like none other known in our galaxy.</p>