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L’atmosphère de Mars est la couche de gaz entourant la planète Mars.La pression au sol de l'atmosphère martienne varie entre 30 Pa (0,03 kPa) au sommet d'Olympus Mons et 1 155 Pa (1,155 kPa) dans les profondeurs de Hellas Planitia [1].La pression moyenne est 600 Pa (0,6 kPa, soit 6 millibars, environ 170 fois moins que sur Terre) et sa masse totale est estimée à 25 tératonnes (25 000 ... More @Wikipedia
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- Mars MAVEN Orbiter - NASA MarsThe Martian moon Phobos orbits through a stream of charged atoms and molecules that flow off the Red Planet's atmosphere, new research shows. READ MORE Heat, Dust Help Launch Martian Water
- Mars' Atmosphere: Composition, Climate & Weather | SpaceMars is a planet that shows climate change on a large scale. Although Mars' atmosphere used to be thick enough for water to run on the surface, today that water is either scarce or non-existent.
- NASA’s Mars Exploration ProgramMars’ atmosphere is composed primarily of carbon dioxide (about 96 percent), with minor amounts of other gases such as argon and nitrogen. The atmosphere is very thin, however, and the atmospheric pressure at the surface of Mars is only about 0.6 percent of Earth’s (101,000 pascals).
- Mars Characteristics - Atmosphere, Surface, Gravity & MoreAtmosphere Temperature Weather. The Martian atmosphere is the very definition of “thin air”. Its atmospheric pressure is about a hundred times less than Earth’s. Future Mars explorers will not be able to breathe Martian air because it’s almost completely carbon dioxide with a few traces of nitrogen, oxygen, and water vapor.
- Mars Education | Developing the Next Generation of ExplorersMars' atmosphere however is 95% carbon dioxide, 3% nitrogen, 1.6% argon, and it has traces of oxygen, carbon monoxide, water, methane, and other gases, along with a lot of dust. Dust hanging in the air colors Martian skies tan in photos taken from the surface.
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