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Tag Archives: NASA’s Cassini spacecraft

Rivers on three worlds tell different tales

Left to right: River networks on Mars, Earth, and Titan. Researchers report that Titan, like Mars but unlike Earth, has not undergone any active plate tectonics in its recent past. Image: Benjamin Black/NASA/Visible Earth/JPL/Cassini RADAR team. Adapted from images from ...

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An Ice World…With an Ocean?

A dramatic plume sprays water ice and vapor from the south polar region of Saturn’s moon Enceladus. Cassini’s first hint of this plume came during the spacecraft’s first close flyby of the icy moon on February 17, 2005. Credit: NASA/JPL/Space ...

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Uranus May Have Two Undiscovered Moons

Uranus is seen in this false-color view from NASA’s Hubble Space Telescope from August 2003. The brightness of the planet’s faint rings and dark moons has been enhanced for visibility. Image credit: NASA/Erich Karkoschka (Univ. Arizona) Click for a full ...

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Cassini Begins Epic Final Year at Saturn

Click for a full size image Saturn, Approaching Northern Summer Since NASA’s Cassini spacecraft arrived at Saturn in mid-2004, the planet’s appearance has changed greatly. The shifting angle of sunlight as the seasons march forward has illuminated the giant hexagon-shaped ...

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Cassini Finds Flooded Canyons on Titan

Click for a full size image These images from the Radar instrument aboard NASA’s Cassini spacecraft show the evolution of a transient feature in the large hydrocarbon sea named Ligeia Mare on Saturn’s moon Titan. Analysis by Cassini scientists indicates ...

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