Latest Issue of Science News

cover 3/7

News

Ringing in a new moon

By
10:45am, May 24, 2005

Last July, the Cassini spacecraft passed through a clearing in Saturn's outermost major ring and recorded a set of wavy features at the gap's edges. To explain the ripples, scientists predicted the existence of a new Saturnian moon. But, they couldn't tell for sure, because until this spring, Cassini orbited Saturn in the same plane as the rings. So, it could view them only as a pencil-thin line. In April, Cassini rose out of the plane, enabling the craft to peer down on the rings.

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

More from Science News