NASA's NuSTAR Captures Possible 'Screams' from Zombie Stars

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We detected what some might call the X-rays howls of zombie stars! Translation for astronomers: NuSTAR detected a surplus of high-energy X-ray emission in the center of our galaxy, which might be coming from a population of compact, dead stars.
Peering into the heart of the Milky Way galaxy, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has spotted a mysterious glow of high-energy X-rays that, according to scientists, could be the “howls” of dead stars as they feed on stellar companions.
The complete story courtesy of NuSTAR Satellite and Caltech is here.