ADVERTISEMENT

Singing Stars

Scientists have turned light signals from distant stars into sound. By analyzing the amount of hiss in the sound, they can work out the star's surface gravity and what stage it's at in its evolution from dwarf to red giant.

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.
Scientific American MIND iPad

Give a Gift & Get a Gift - Free!

Give a 1 year subscription as low as $14.99

Subscribe Now >>

X

Email this Article

X