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EVSN - Luminous Kilonova Challenges Gamma-ray Burst Theories
From November 2020.
The brightest kilonova ever was detected and challenges current gamma-ray burst models. Plus, the history of water on both Venus and Mars, how radioactive elements may help habitability, and a little-known mass extinction event here on Earth. But wait! There's more… new images of the Perseus Cluster, a recaptured 1960s rocket booster, the shortest measurement of time, a treasure trove of copies of Principia, and SpaceX is certified to launch Crew-1 this weekend.
Perseus Cluster pix:
https://www.sci.news/astronomy/perseus-galaxy-cluster-radio-map-09213.html#google_vignette…
The skinny
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