ScienceDaily: Nebulae News |
| Ultrasound for astronomers? A young star's age can be gleamed from nothing but sound waves Posted: 03 Jul 2014 11:24 AM PDT Determining the age of stars has long been a challenge for astronomers. Astronomers now show that 'infant' stars can be distinguished from 'adolescent' stars by measuring the acoustic waves they emit. |
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