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Tag Archives: IUVS
MAVEN: Four (Earth) years in Mars orbit
[Ed. note: The video shows a presentation on September 20, 2018, by MAVEN principal investigator Bruce Jakosky providing an update on the latest data from the mission. The story excerpted below is on the MAVEN mission website.] Today [September 21], … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN: ‘Stolen’ electrons cause unusual Mars aurora
Auroras appear on Earth as ghostly displays of colorful light in the night sky, usually near the poles. Our rocky neighbor Mars has auroras too, and NASA’s MAVEN spacecraft just found a new type of Martian aurora that occurs over … Continue reading
Posted in Reports
Tagged atmosphere, aurora, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, proton aurora, Solar Wind Ion Analyzer, SWIA, ultraviolet aurora, University of Colorado
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MAVEN: Meteoric metal chemistry in Mars’ atmosphere
When dust particles enter the Mars’ atmosphere, collisions with air molecules cause heating and evaporation, and the continuous injection of metal atoms and ions into Mars’ atmosphere. The MAVEN Imaging Ultraviolet Spectrograph, or IUVS, instrument has detected a layer of … Continue reading
Posted in Reports
Tagged atmosphere, dust, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN: Large solar storm sparks global aurora, doubles radiation levels at surface
An unexpectedly strong blast from the Sun hit Mars this month, observed by NASA missions in orbit and on the surface. “NASA’s distributed set of science missions is in the right place to detect activity on the Sun and examine … Continue reading
Posted in Reports
Tagged aurora, Bradbury Rise, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, RAD, Radiation Assessment Detector, solar activity, solar energetic particles, solar flares, space radiation, ultraviolet aurora, University of Colorado
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MAVEN: Ups & downs of water escape from Mars
After investigating the upper atmosphere of the Red Planet for a full Martian year, MAVEN has determined that escaping water does not always go gently into space. Sophisticated measurements made by a suite of instruments on the MAVEN spacecraft revealed … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN: New view of Mars in ultraviolet
New global images of Mars from the MAVEN mission show the ultraviolet glow from the Martian atmosphere in unprecedented detail, revealing dynamic, previously invisible behavior. They include the first images of “nightglow” that can be used to show how winds … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, nightglow, University of Colorado
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MAVEN completes one Mars year at Mars
Today [October 3], MAVEN has completed one Mars year of science observations. One Mars year is just under two Earth years. MAVEN launched on Nov. 18, 2013, and went into orbit around Mars on Sept. 21, 2014. During its time … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN: Mapping Mars’ upper atmosphere
High above the thin Martian skies, the MAVEN spacecraft is carrying out a mission: determine how Mars lost its early atmosphere, and with it, its water. MAVEN is currently executing the 9th stellar occultation campaign of the mission. These campaigns … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN observes Phobos in ultraviolet
NASA scientists are closer to solving the mystery of how Mars’ moon Phobos formed. In late November and early December 2015, the MAVEN mission made a series of close approaches to the Martian moon Phobos, collecting data from within 300 … Continue reading
Posted in Reports
Tagged Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, Phobos, University of Colorado
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MAVEN measures speed & rate of Mars atmosphere loss by solar wind stripping
The MAVEN mission has identified the process that appears to have played a key role in the transition of the Martian climate from an early, warm and wet environment that might have supported surface life to the cold, arid planet … Continue reading
Posted in Reports
Tagged atmosphere, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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