Convective Vortices on Mars: A Reanalysis of Viking
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Convective Vortices on Mars: a Reanalysis of Viking Lander
Introduction: On 7 August 1976 the Viking 2 lander touched down at Utopia Planitia, Mars. Both Viking lander’s primary aim was to look for the presence of organic life on the surface of Mars. The lander also had a comprehensive meteorological package to monitor the martian conditions. The meteorological package included pressure, temperature, and wind sensors, enabling the landers to perform th...
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Introduction: During the summer of 1976 Viking Lander 1 and 2 touched down at Chryse Planitia and Utopia Planitia, Mars respectively. The primary aim of both Viking Landers was to look for the presence of organic life on the surface of Mars, however each Lander also had a comprehensive meteorological package to monitor the martian atmospheric conditions [1]. The meteorological package consisted...
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[1] Dust devils are localized meteorological phenomena frequently observed in terrestrial dry lands and desert landscapes as well as on Mars. They are low-pressure, warm core vortices that form at the bottom of convective plumes and loft dust from the surface. They move with the speed of the ambient wind and are tilted by wind shears. The Mars Pathfinder detected dust devils as dust plumes in t...
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Polar vortices on Mars provide case-studies to aid understanding of geophysical vortex dynamics and may help to resolve long-standing issues regarding polar vortices on Earth. Due to the recent development of the first publicly available Martian reanalysis dataset (MACDA), for the first time we are able to characterise thoroughly the structure and evolution of the Martian polar vortices, and he...
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On June 19, 1976, the Viking 1 Orbiter achieved orbital insertion around Mars. On July 20, the Viking 1 Lander soft-landed on the surface of Mars in the Chryse Planitia (22 degrees north, 48 degrees west) becoming the first human-made object to land on Mars. The Viking 2 Orbiter achieved Mars orbital insertion on August 7. On September 3, the Viking 2 soft-landed in Utopia Planitia (44 degrees ...
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تاریخ انتشار 2016