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The Mars Atmosphere and Volatile Evolution mission (MAVEN) launched on November 18, 2013, and entered orbit around Mars on September 21, 2014. The mission’s goal is to explore the planet’s upper atmosphere, ionosphere, and interactions with the Sun and solar wind. Scientists will use MAVEN data to explore the loss of volatile compounds—such as CO2, N2, and H2O—from the Martian atmosphere to space. Understanding atmospheric loss will give scientists insight into the history of Mars' atmosphere and climate, liquid water, and planetary habitability.

MAVEN Team Blog

MAVEN Status Update: December 3, 2014

December 3

David F. Mitchell, MAVEN Project Manager at NASA’s Goddard Space Flight Center

MAVEN is now fully into its Science Phase at Mars and the scientists have been releasing exciting results, not the least of which were recent findings from the Comet Siding Spring encounter. The Imaging Ultraviolet Spectrometer was able to observe intense emissions from magnesium and iron ions in the atmosphere in the aftermath of the comet encounter. The Neutral Gas and Ion Mass Spectrometer directly sampled and determined the composition of comet dust in Mars’ atmosphere, something that has never been done before. Our Solar Energetic Particle instrument observed significant solar activity both in the form of flares and coronal mass ejections from the Sun to Mars. We also generated a map of Mars’ ozone layer in the lower atmosphere. Finally, we’ve been able to provide a view of the escaping atmosphere of Mars showing the loss of atomic oxygen, atomic carbon, and atomic hydrogen.

Great science with much more to come!

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MAVEN Partner Websites

Released Results