Shadow of black hole in M87 galaxy is wobbling and has been for a while — ScienceDaily

Analysis of previously unpublished data from observations of M87* between 2009 and 2013 by scientists at the Event Horizon Telescope (EHT) has revealed that the crescent shadow of the black hole is wobbling, and has rotated significantly over the past ten years of observation. Published today in The Astrophysical Journal, and led by scientists from the Center for Astrophysics | Harvard & Smithsonian (CfA), the study focused on the morphology of the black hole over time, and was made possible by advances in analysis and understanding achieved as a result of EHT’s groundbreaking black hole photo in 2019.

“EHT can detect changes in the M87 morphology on timescales as short as a few days, but its general geometry should be constant on long timescales,” said Maciek Wielgus, an astronomer at CfA, Black Hole Initiative (BHI) Fellow, and lead author on the paper. “In 2019, we saw the shadow of

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