Ultrasound helps astronomers determine age of stars by listening to their heartbeats

July 4, 2014 3:17 PM

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Astronomers using ultrasound to listen to the "heartbeat" of young stars. Technique allows determining the age, lifestyle of a star, they say.(Photo : University of Leuven, Belgium)

Astronomers say they've learned how to listen to the 'heartbeat' of fledgling stars within stellar nurseries to gauge how old they are and learn more about how stars are born then change with age.

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