Topic
#Heelal
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Forgotten neutrino may have changed how matter won out over antimatter
Physicists from Southampton and Kanpur calculated that a heavy particle almost nobody looked at may have made the young universe expand differently. That changes the calculation behind a great mystery: why matter was left over after the Big Bang. New detectors can partly test the idea.
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Astronomers find the first star that would look green
A burnt-out star full of dust from rocky planets would glow green to the human eye. Astronomers at the University of Warwick calculated this. It is the first star for which a green colour has been credibly reported.