The Cassini probe has found evidence that there may be an underground ocean on Saturn's moon Titan. The moon is already an area of tremendous interest to planetary scientists, given its dunes, lakes and mountains. It also has one of the most Earth-like surfaces in the solar system. Now, by using radar measurements to detect changes in the moon's rotation, scientists have gotten more insight into what's below the surface.

This short animation is made up from a sequence of images taken by the Descent Imager/Spectral Radiometer (DISR) instrument on board ESA's Huygens probe, during its successful descent to Titan on Jan. 14, 2005.

There were acrobats from the Cirque du Soleil, a mechanical objet d'art that looked like a mad inventor's spaceship, and a voluble computer-generated wizard that bore a disturbing resemblance to a bathrobe-clad George Carlin-the ceremony in Toulouse, France, that marked the completion of Airbus's first A380 was nothing if not pomp-filled. But when four kids finally tugged on a huge tasseled cord and the curtain fell to reveal the largest jetliner ever built, the spectacle was just beginning.