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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.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.