JPL News - Day in Review

["NASA Jet Propulsion Laboratory" <jplnewsroom@xxxxxxxxxxxx>]

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DAY IN REVIEW

What Happened to Early Mars' Atmosphere? New Study Eliminates One Theory The amount of Martian atmosphere trapped by mineral formation appears inadequate to account for a warm environment when rivers cut valleys on ancient Mars. › Read the full story

At Saturn, One of These Rings is not like the Others One section of Saturn's rings may be loaded with chunks of solid ice, possibly shards from a destroyed moon, according to a new study by Cassini scientists. › Read the full story

NASA Soil Moisture Radar Ends Operations, Mission Science Continues NASA SMAP observatory managers have determined its radar can no longer return data, but the mission continues to produce high-quality science with its radiometer instrument. › Read the full story