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Tag Archives: IUVS
MAVEN discovers aurora, high dust cloud at Mars
The MAVEN spacecraft has observed two unexpected phenomena in the Martian atmosphere: an unexplained high-altitude dust cloud and aurora that reaches deep into the Martian atmosphere. The presence of the dust at orbital altitudes from about 93 miles (150 kilometers) … Continue reading
Posted in Reports
Tagged atmosphere, aurora, dust, Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN: First deep-dip campaign completed
The MAVEN spacecraft has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper atmosphere. “During normal science mapping, we make measurements between an altitude of about 150 km and … 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: Collecting data in deep-dip maneuver
MAVEN instruments all collecting data as expected during deep-dip. The initial MAVEN deep-dip campaign continues to go well, as the NASA #Mars orbiter maintains its targeted atmospheric density corridor between 2.0 – 3.5 kg/km³. All of the MAVEN science instruments … 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: Second ‘walk-in’ maneuver succeeds
The second #MAVEN deep-dip maneuver was executed yesterday (Feb. 11, 2015), with a delta-v (∆V) of 0.6 m/sec., which lowered the periapsis of the spacecraft by another 4 km. The first maneuver was carried out on Tuesday (Feb. 10) and … 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: First ‘walk-in’ maneuver successful
On February 10, MAVEN carried out its first walk-in maneuver of the current “deep-dip” campaign. This lowered the periapsis of the MAVEN spacecraft about 20 km to an altitude of about 133 km. The campaign will continue tomorrow with another … 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: Deep dips into atmosphere to begin soon
MAVEN will begin first ‘deep dip” campaign on February 10th. MAVEN’s primary mission includes five 5-day “deep-dip” campaigns, in which the periapsis (lowest point in the orbit) is lowered from about 93 miles (150 km) to about 77 miles (125 … 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 finds links in chain of atmospheric Loss
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 observations reveal a new process by which the solar wind can penetrate deep into a … 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 Status update: December 3, 2014
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 … Continue reading
Posted in Reports
Tagged Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MAVEN begins primary science mission
The MAVEN spacecraft completed its commissioning activities on November 16 and has formally begun its one-year primary science mission. The start of science is actually a “soft start”, in that the instruments started making science measurements beginning almost as soon … Continue reading
Posted in Reports
Tagged Imaging Ultraviolet Spectrograph, IUVS, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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Comet Siding Spring’s effects on Mars atmosphere
Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet’s nucleus and directly detected the effects on the … Continue reading
Posted in Reports
Tagged Comet C/2013 A1, Comet Siding Spring, High Resolution Imaging Science Experiment, HiRISE, Imaging Ultraviolet Spectrograph, IUVS, Mars Advanced Radar for Subsurface and Ionosphere Sounding, Mars Atmosphere and Volatile EvolutioN, Mars Express, Mars Reconnaissance Orbiter, MARSIS, MAVEN, MEX, MRO, NASA, Neutral Gas and Ion Mass Spectrometer, NGIMS, University of Colorado
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