Simple text and "out-of-this-world" photography introduce readers to NASA's Cassini-Huygens space probe, and its mission to explore the gas giant Saturn. Important details include the probe's construction, its launch, the landing of the Huygens probe on Saturn's moon Titan, and Cassini's continuing mission to unlock the secrets of Saturn's rings and other unique features. Aligned to Common Core Standards and correlated to state standards. A&D Xtreme is an imprint of Abdo Publishing, a division of ABDO.