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TESS observations show frequent flaring and magnetic activity in PM J11183+1347
TESS observations reveal 21 flares on M dwarf PM J11183+1347, including superflares exceeding 10^33 erg. Flare frequency follows a power law with high-energy events dominating total output.
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RUBIES finds many massive quiescent galaxies at 2 < z < 5
Spectroscopic observations confirm that massive quiescent galaxies were surprisingly common at redshifts 2-5, challenging galaxy formation simulations.
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Three ultra-faint Milky Way satellite candidates identified
Three ultra-faint Milky Way satellites identified in DELVE survey data, including the faintest known satellite in the outer halo and an ambiguous compact system.
