Space Fan News #97: Fastest Black Hole Measured; Possible Protoplanet; JWST @SXSW

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The fastest black hole ever measured so far also solves controversy. There may be a protoplanet around HD 100546 and I'm going to SXSW!
Riddle of black hole spin solved:
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Protoplanet found:
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JWST @SXSW:
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