NASA / VRS / SCIENCE PHOTO LIBRARY NASA / VRS / SCIENCE PHOTO LIBRARY
Huygens probe testing. View of the Huygens probe during testing in a servicing facility. Huygens will be carried on the Cassini mission to Saturn, and will land on Titan, Saturn's largest moon. It will take various atmospheric measurements during its descent, and study the surface when landed. Cassini will arrive at Titan in 2004. The silver cylinders on top of the probe contain antennae which will send information back to Earth. The square box at upper right contains the parachute which will slow its descent.
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