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The Daily Space

Apr 7, 2021

Using substantial ground arrays and underground muon detectors, the Tibet ASγ Collaboration has captured evidence of ultrahigh-energy gamma rays that are thought to be the result of nuclear interactions between cosmic rays and interstellar gas. Plus, OSIRIS-REx, Ingenuity, InSight, comet 2I/Borisov, and things getting hit (or not) by other things.