MAVEN completes fourth deep-dip campaign

NASA’s MAVEN spacecraft, in orbit at Mars since Sept. 21, 2014, has completed the fourth deep-dip campaign of its primary science mission. The series of five-day campaigns are designed to lower the periapsis (lowest altitude) of the spacecraft above ‪#‎Mars‬ in order to achieve a targeted atmospheric density corridor and to sample the lower, well-mixed portion of
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