Early discoveries by NASA’s newest Mars orbiter are starting to reveal key features about the loss of the planet’s atmosphere to space over time. The findings are among the first returns from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission, which entered its science phase on November 16. The observations reveal a new process by which the solar wind can penetrate deep into a planetary atmosphere. They include the first comprehensive measurements of the composition of Mars’ upper atmosphere and electrically charged ionosphere. The results also offer an unprecedented view of ions as they gain the energy that will lead to their to escape from the atmosphere. The Deep Space Network provides communication and tracking services to MAVEN. nasa.gov/press/goddard/2014/december/nasa-s-maven-mission-identifies-links-in-chain-leading-to-atmospheric-loss/index.html
Posted on: Mon, 15 Dec 2014 19:19:16 +0000
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