Frontier Channel

News and commentary about the Great Frontiers

ISS007-E-10807 (21 July 2003) --- This view of Earth's horizon as the sunsets over the Pacific Ocean was taken by an Expedition 7 crewmember onboard the International Space Station (ISS). Anvil tops of thunderclouds are also visible. Credit: Earth Science and Remote Sensing Unit, NASA Johnson Space Center

Image Credit: ISS007-E-10807 (21 July 2003) – Earth Science and Remote Sensing Unit, NASA Johnson Space Center

Another Moon, More Mystery

Richard Leis

,

Published.

In a little over a week, Cassini will pass within 1,179 km of another Saturn moon, Enceladus. Images already returned have revealed a young water ice surface lacking craters. The wrinkles and ridges in the image are tantalizing indicators of recent geological activity on the small (499 km in diameter) moon.

%d bloggers like this: