Latest Issue of Science News


News

Powering Enceladus' plumes

Astronomers in 2005 were astonished to find that Saturn's tiny, chilly moon Enceladus expels giant plumes of water vapor from an array of cracks marking its southern hemisphere. Because Enceladus is so small, researchers reasoned that it ought to have lost any interior source of heat long ago, and so should be frozen solid (SN: 5/6/06, p. 282).

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.