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Space

+ - A decade-long mystery has been solved

Submitted by
justelite
justelite writes "A decade-long mystery has been solved using data from ESA's X-ray observatory XMM-Newton. The brightest member of the so-called 'magnificent seven' has been found to pulsate with a period of seven seconds. The discovery casts some doubt on the recent interpretation that this object is a highly exotic celestial object known as a quark star."

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