This week on SciShow Space News, Cassini visited Saturn’s moon Dione for the last time, and two little shepherd moons may have helped form some of Saturn’s rings.
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Sources:
http://solarsystem.nasa.gov/planets/profile.cfm?Object=Dione
http://solarsystem.nasa.gov/news/display.cfm?News_ID=43771
http://www.nasa.gov/jpl/cassini/pia18327/chasms-on-dione
http://www.cbsnews.com/news/nasas-cassini-to-whiz-past-saturns-moon-dione/
http://www.smithsonianmag.com/smartnews-science/today-cassini-will-say-goodbye-saturns-moon-dione-180956298/?no-ist
http://www.space.com/30264-cassini-final-flyby-saturn-moon-dione.html
http://www.sciencemag.org/content/318/5856/1602.full?sid=9009ca28-6aec-4e2b-9642-46111f86789b
http://www.planetary.org/blogs/emily-lakdawalla/2014/cassinis-awesomeness-fully.html
http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2508.html
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