A European spacecraft, XMM-Newton, has discovered the spin-rate of a dense, dead star, the core that remains after a stellar explosion, the European Space Agency reported. XMM-Newton caught the fading glow of a tiny celestial object, revealing its rotation rate for the first time. The new information confirms this particular object as one of an extremely rare class of stellar zombie, each one the dead heart of a star that refuses to die. There are just five so-called soft gamma-ray…
European Spacecraft XMM-Newton Probes Dense, Dead, Spinning Star
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