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

Iapetus in Near-True Color

Richard Leis

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Published.

The dark material on Iapetus would look dark brown to the human eye, according to this near-true color image of the Saturnian moon. Why the moon is stained this color closer to a mysterious equatorial ridge and less so at higher latitudes remains a mystery.

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