ESA’s XMM-Newton spacecraft has detected an unprecedented X-ray signal coming from the very edge of a supermassive black hole.

This defies how we thought matter falls into black holes, and points to a potential source of gravitational waves for ESA’s future LISA mission.

ESA Writeup: https://www.esa.int/Science_Exploration/Space_Science/XMM-Newton/XMM-Newton_catches_giant_black_hole_s_X-ray_oscillations

(Artist impression: NASA/Sonoma State University, A. Simonnet)

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  • @AnticorpEnglish
    3•3 days ago

    despite some hypothesis including that a white dwarf would be orbiting it at aprox 50% light speed.

    Damn, can you imagine the time dilation for that region? It’s a white dwarf which has a fair amount of its own gravity, then it’s traveling at half the speed of light, and it’s on the edge of a supermassive black hole. I’ll bet time just stands still there, while the universe zooms around it.