DAY IN REVIEW

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

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DAY IN REVIEW

Comet Provides New Clues to Origins of Earth's Oceans New observations reveal that water in comets and Earth's oceans may share common composition, suggesting more comets than previously thought could have delivered water to Earth. › Read the full story

NASA's Mars 2020 Gets a Dose of Space Here on Earth NASA's Mars 2020 spacecraft has completed tests that are the best Earthly approximations what the spacecraft will endure duriAV ng launch and interplanetary cruise. › Read the full story