By precisely tracking NASA's Cassini spacecraft on its low swoops over Saturn's moon Titan, scientists have determined the distribution of materials in the moon's interior. The subtle gravitational tugs they measured suggest the interior has been too cold and sluggish to split completely into separate layers of ice and rock.

"To date some of the images taken by Nimbus II have been enhanced and mapped into Google Earth. One date in particular was of interest to the LOIRP - 23 August 1966. As the images were enhanced and dropped into Google Earth it became clear that we have imagery that overlapped in time to show the weather on that late August day as evening crept up on Africa and Europe. In New York City, just over the Earth's limb as seen from lunar orbit, the Beatles were preparing to play at Shea Stadium ..."

More

The image on the left was taken on March 03, 2010 and received on Earth March 03, 2010. The camera was pointing toward Helene, and the image was taken using the CL1 and CL2 filters. Full-Res: N00152259.jpg. The image on the right was taken on March 03, 2010 and received on Earth March 03, 2010. The camera was pointing toward Helene, and the image was taken using the CL1 and CL2 filters. Full-Res: N00152208.jpg. These images have not been validated or calibrated. Validated/calibrated images will be archived with the NASA Planetary Data System in 2011. Image Credit: NASA/JPL/Space Science Institute.

Spirit Status for sol 2185-2191: Spirit is in her winter position, still embedded in the area called "Troy" on the west side of Home Plate. Efforts are nearing completion to prepare the rover for winter.

This artistic interpretation of the Sikun Labyrinthus area on Saturn's moon Titan is based on radar and imaging data from NASA's Cassini spacecraft and the descent imaging and spectral radiometer on the European Space Agency's Huygens probe. The relative elevations are speculative and organized around the assumption that fluids are flowing downhill. Image credit: NASA/JPL/ESA/SSI and M. Malaska/B. Jonsson Larger view, View related video

Elevation map of the Apollo and SPA basins Image 1: This is elevation map covering the eastern portion of South Pole-Aitken basin, including the Apollo Basin, made using data from Japan's Kaguya spacecraft. The false colors indicate height; red represents highlands, and blue represents the lowest areas. Dashed circles mark the location of the main and inner ring of Apollo. The dashed line marks the location of the topographic profile illustrated in the Image 2 below. Credit: Japan Aerospace Exploration Agency/NASA. Full-resolution copy

Diagram highlighting areas of presumed lava channels on Mars Details from the Ascraeus channel (red), meandering across the surface of Mars. The insets in the black boxes show close-ups of some of the structures that lava can form: (left) branched channels, (middle) a snaking channel and (right) rootless vents; the rootless vents are also marked by yellow spots on the main image. Credit: Jacob Bleacher Larger image