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11 April 2019
Extended winter polar vortices chill Saturn’s strangely familiar moon, Titan
Saturn’s hazy moon Titan has a long-lived Earth-like winter polar vortex supercharged by the moon’s peculiar chemistry. A new study finds Titan’s northern hemisphere polar vortex sticks around past the moon’s summer solstice, into what would be late June on Earth, lasting three-quarters of a Titan year, or about 22 Earth years.
27 December 2018
Rings make Saturn shadier, bluer and less hazy in winter
Saturn’s rings act like Venetian blinds that block sunlight for the hemisphere that’s tilted farther away from the Sun, limiting winter sunlight. This cuts down on the planet’s haze and golden glow.
24 October 2018
Researchers describe likely origin of perfect lines on Saturn’s moon
Strange features on Saturn’s moon Dione resembling lines of latitude on a map could be the result of space dust crashing onto Dione’s surface, according to a new study. The streaks have puzzled scientists because of their orientation and straightness, but a new study finds these features, deemed linear virgae, likely originated from low-velocity impacts of space debris from within the Saturn system or beyond.
29 September 2016
Research suggests Saturn’s moon Dione may harbor a subsurface ocean
A subsurface ocean could lie deep within Saturn’s moon Dione, according to a new study using publicly available data from the Cassini mission to Saturn. In 2013, images from NASA’s Cassini spacecraft hinted that Dione had a subsurface ocean when the moon formed, but the new study suggests the ocean could still exist today.