On April 26, 2017, NASA’s Cassini orbiter made its first ‘Grand Finale’ dive through the previously unexplored gap between Saturn and its rings. An analysis of data collected by Cassini’s Radio and Plasma Wave Science (RPWS) instrument shows that this dive was nearly particle free. The unexpected finding that the …
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Using mid-infrared data from the 8.2-m Subaru Telescope, a research team led by Dr. Hideaki Fujiwara, Subaru scientist at the National Astronomical Observatory of Japan, has measured the brightness and temperatures of Saturn’s main rings. This is a three-color composite image of Saturn and its rings taken January 23, 2008 …
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NASA’s Cassini spacecraft took these stunning photos of Saturn’s rings on December 18, 2016, while it was performing one of its ‘ring-grazing’ orbits. This Cassini image features a density wave in Saturn’s A ring (at left) that lies around 83,575 miles (134,500 km) from Saturn. Density waves are accumulations of …
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Saturn’s rings are billions of years younger than we thought, say Cornell University researchers analyzing an almost forgotten set of data, collected 10 years ago by NASA’s Cassini mission. This image is a view from the NASA/ESA Hubble Space Telescope taken on March 22, 2004. Camera exposures in four filters …
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