Latest Issue of Science News


Feature

Dusty Disks May Reveal Hidden Worlds

On the trail of extrasolar planets

Like a crab scuttling through sand, an orbiting planet leaves a telltale trail in the dust surrounding its parent star. Astronomers began scouring nearby stars for such trails nearly 2 decades ago, but telescopes provided only fuzzy images. With the keen-sighted instruments available today, however, the dust trails are coming into sharper focus, opening the way to finding and characterizing the properties of hundreds of planets beyond the solar system.

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.