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Astronomers finally solve the gamma-Cas X-ray mystery after 50 years
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Astronomers finally solve the gamma-Cas X-ray mystery after 50 years

ScienceDaily·5 months ago
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#darkmatter#spaceexploration#nasa#stars#astrophysics#gamma

A decades-old cosmic mystery has finally been cracked: the strange X-rays coming from the bright star gamma-Cas are caused by a hidden stellar companion feeding off it.…

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Astronomers solve 50-year mystery of a naked-eye star’s extreme X-rays
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Astronomers solve 50-year mystery of a naked-eye star’s extreme X-rays

ScienceDaily·6 months ago
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#spaceexploration#spacetelescopes#blackholes#nasa#spintronics#xrism

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, thanks to highly precise observations from Japan’s XRISM space telescope, scientists have finally uncovered the source: a hidden white…

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XRISM Finds Chlorine, Potassium in Cas A - NASA
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XRISM Finds Chlorine, Potassium in Cas A - NASA

NASA·6 months ago
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This composite image of the Cassiopeia A (or Cas A) supernova remnant, released Jan. 8, 2024, contains X-rays from Chandra (blue), infrared data from Webb (red, green, blue), and optical data from Hubble (red and white).…

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