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Morning Overview

Astronomy

A count of 2,884 exploding stars suggests dark energy has not held steady

Each of the 2,884 points in a dataset called Unite marks a star that blew apart. All are likely Type Ia supernovae, the kind astronomers use as standard candles for measuring cosmic distance. A team led by the University of Queensland merged two large catalogues, Pantheon+ and the Dark Energy Survey’s five-year sample, into that […]

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