Posted by Emily Lakdawalla on 2012/03/29 02:04 CDT
Last week, Pamela Gay of CosmoQuest announced that their Moon Mappers citizen science project is out of its beta phase and ready for prime time. Moon Mappers enlists the help of the public to perform the gargantuan task of mapping the sizes and positions of craters photographed on the Moon by Lunar Reconnaissance Orbiter. Crater counting is the most powerful tool geologists have for figuring out how old planetary surfaces are. But when you have Terabytes of data, it's simply impossible for one scientist to count all the craters
Posted by Emily Lakdawalla on 2011/12/15 11:18 CST
A summary of a new article by Matt Tiscareno about planetary ring systems that reviews the known ring systems of the four giant planets and the prospects for ring systems yet to be discovered.