Latest Issue of Science News


News

Planet Signs? Sifting a dusty disk

Twenty years ago, astronomers peering at the young star Beta Pictoris got their first glimpse of a disk of dusty debris—the sign that planets, asteroids, and comets are forming and then banging together and releasing an abundance of dust.

Such debris disks have now been found around many young stars, but the one surrounding Beta Pictoris remains the most revealing about how planets form and evolve.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

X
This article is available only to subscribing members. Join SSP today or Log in.