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Sharp-eyed Alma spots a gigantic flare on famous red giant star
Super-sharp observations with the telescope Alma have revealed what seems to be a gigantic flare on the surface of Mira, one of the closest and most famous red giant stars in the sky. Activity like this in red giants - similar to what we see in the Sun -- comes as a surprise to astronomers. The discovery could help explain how winds from giant stars make their contribution to our galaxy's ecosystem.
How comets were assembled
New technique for isolating sunlight scattering could help illuminate Universe's birth
Astronomy: Link between mergers and supermassive black holes with relativistic jets
Big Bang aftermath: Ancient stars from birth of the universe
Microbes collected by citizen scientists and grown on the International Space Station
Scientists one step closer to mimicking gamma-ray bursts