ANN ARBOR, Michigan, June 16 -- The University of Michigan issued the following news:

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Revealing how and when a black hole's mighty winds can squash star formation

Thanks to the X-Ray Imaging and Spectroscopy Mission, or XRISM, University of Michigan researchers are helping chip away at one of astronomy's cosmic mysteries: The universe's most massive galaxies appear to be missing stars.

Compared with theoretical expectations . . .

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