Several days ago, NASA’s Astronomy Picture of the Day was the impressive “Io: Moon Over Jupiter.” At left is a portion of photo, which was taken by the Cassini spacecraft. Jupiter’s moon Io [EYE-oh] was discovered by Galileo in 1610. He named it for Io the mythological character — a nymph who was seduced by Zeus, then turned into a cow. The name Io doesn’t have a known meaning, and it’s rare in the U.
From NASA: In this rare image taken on July 19, 2013, the wide-angle camera on NASA’s Cassini spacecraft has captured Saturn’s rings and our planet Earth and its moon in the same frame. It is only one footprint in a … Continue readi... Read Post
These color maps of Jupiter were constructed from images taken by the narrow-angle camera onboard NASA's Cassini spacecraft on Dec. 11 and 12, 2000, as the spacecraft neared Jupiter during its flyby of the giant planet. Cassini was ... Read Post
NASA's Cassini spacecraft first spotted a mysterious island-like feature in Ligeia Mare, a large hydrocarbon sea on Saturn's moon Titan, in July 2013. When it faded away during later imaging, some scientists dubbed it "Magic Island.... Read Post