Bright age, white heat. (quietly aging star identified) (Space - 1992)

From: Discover | Date: January 1, 1993| Author: | Copyright information

ASTRONOMERS OFTEN catch stars at birth or death or at some dramatic moment in between. "There are processes that allow us to see the evolution of stars--when novae and supernovae explode, things like that," says Mart de Groot, an astronomer at Armagh Observatory in Northern Ireland. "But to see a star just move toward slightly greater brightness very slowly"--that is, to see a star age--"this was the first observation of its kind." De Groot made his observation, which he reported last January, in a library: by poring over old astronomical records, he established that a blue ...

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