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The mechanism responsible for intense X-ray emissions from spinning stellar corpses may not be what astronomers have assumed.

It was previously thought that the energy needed to produce the million-degree hotspots on the poles of a cooling pulsar, as the objects are called, came from collisions of charged particles above the surfaces of the stars.

But a new survey of young pulsars by the ESA's XMM-Newton Observatory suggests astronomers might have had it reversed this entire time, and that heat is being generated inside the stars, not outside.
Well, duh. I've been saying that for years!
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