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EVSN: Escape Velocity Space News

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  2. Missing Black Hole Continues to Mystify Scientists

Missing Black Hole Continues to Mystify Scientists

Dec 21, 2020

A massive black hole should be in galaxy cluster Abell 2261. Observations with Chandra and Hubble haven’t located it. Plus, classifying supernovae with AI, neutron stars, the lithium composition problem, and more planetary science.