Chandra X-ray Observatory observations of the Perseus galaxy cluster's black hole and M87's jet have been turned into sound by SYSTEM Sounds. Credit: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A.

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RDRE has been talked about as an alternative propulsion mechanism since the 1980s. This real-world test takes us a step closer.

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Astrophysicists Capture Astonishing Images of Gamma-Ray Flare from Supermassive Black Hole M87 Dec. 13 ... First Data from XRISM Space Mission Provides New Perspective on Supermassive Black ...

This suggests that something unseen — dark matter — is adding to the galaxy’s mass and keeping those stars from flying off into space.