Latest Issue of Science News


Mini Solar Systems? Astronomers find disks around planet-size objects

Planet-making disks of gas, dust, and ice are known to form around stars and brown dwarfs. But now, disks with the potential to form planets, or at least moons, have been found outside the solar system orbiting objects that themselves are no heftier than planets.

A study reported this week at a meeting of the American Astronomical Society in Calgary, Alberta, follows up on evidence that several objects only a few times the mass of Jupiter have such disks surrounding them.

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.

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