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2 days ago · Mars, fourth planet in the solar system in order of distance from the Sun and seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. Mars is designated by the symbol ♂.
- Human Exploration
Mars - Exploration, Rovers, Astronauts: Human exploration is...
- The Atmosphere
Mars - Atmosphere, Climate, Dust Storms: The Dutch American...
- Basic Astronomical Data
Mars - Red Planet, Orbit, Moons: Mars is the fourth planet...
- Spacecraft Exploration
U.S. spacecraft successfully flew by Mars (Mariners 4, 6,...
- Character of The Surface
Mars - Craters, Valleys, Plains: The character of the...
- Southern Cratered Highlands
Mars - Southern Highlands, Craters, Exploration: The number...
- Atmospheric Structure
Mars - Atmosphere, Structure, Composition: The vertical...
- Sparsely Cratered Plains
Mars - Sparsely-Cratered, Plains, Exploration: The smaller...
- Human Exploration
4 days ago · The Martian is a 2015 science fiction film directed by Ridley Scott and starring Matt Damon. Drew Goddard adapted the screenplay from the 2011 novel of the same name by Andy Weir.
4 days ago · U.S. spacecraft successfully flew by Mars (Mariners 4, 6, and 7), orbited the planet (Mariner 9 and Vikings 1 and 2), and placed lander modules on its surface (Vikings 1 and 2). Three Soviet probes (Mars 2, 3, and 5) also investigated Mars, two of them reaching its surface.
3 days ago · The Mars 2020 mission involves landing a large roving vehicle (Perserverance) on the surface of Mars to conduct mobile studies of the surface environment with particular emphasis on habitability, past life, and sample collection for future missions.
4 days ago · Mars' temperature and circulation vary every Martian year (as expected for any planet with an atmosphere and axial tilt). Mars lacks oceans, a source of much interannual variation on Earth.
2 days ago · The colonization of Mars is the proposed process of establishing and maintaining control of Martian land for exploitation and the possible settlement of Mars.
2 days ago · Mars - Craters, Valleys, Plains: The character of the Martian terrain has been well established from spacecraft photography and altimetry. Almost the entire planet has been photographed from orbit at a resolution of 20 meters (66 feet) and selected areas at resolutions as high as 20 cm (8 inches).
