JPL News - Day in Review

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

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DAY IN REVIEW

NuSTAR Finds Cosmic Clumpy Doughnut Around Black Hole The doughnut-shaped disks of material that feed growing black holes may not be as smooth as once thought. › Read the full story

Rocks Rich in Silica Present Puzzles for Mars Rover Team At recently studied sites, Mars Curiosity has found higher silica concentrations than at sites visited earlier in its Martian travels. › Read the full story