eROSITA巡天计划的X射线全天图
2020 June 23 The X-Ray Sky from eROSITA Image Credit & Copyright: J. Sanders, H. Brunner, A. Merloni & eSASS Team (MPE); E. Churazov, M. Gilfanov, R. Sunyaev (IKI) Explanation: What if you could see X-rays? The night sky would seem a strange and unfamiliar place. X-rays are about 1,000 times more energetic than visible light photons and are produced by violent explosions and high temperature astronomical environments. Instead of the familiar steady stars, the sky would seem to be filled with exotic stars, active galaxies, and hot supernova remnants. The featured X-ray image captures in unprecedented detail the entire sky in X-rays as seen by the eROSITA telescope onboard Spektr-RG satellite, orbiting around the L2 point of the Sun-Earth system, launched last year. The…