Search results
3 days ago · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. There are intriguing clues that billions of years ago Mars was even more Earth-like than today.
- The Atmosphere
Mars - Atmosphere, Climate, Dust Storms: The Dutch American...
- Basic Astronomical Data
Mars - Red Planet, Orbit, Moons: Mars is the fourth planet...
- Human Exploration
Mars - Exploration, Rovers, Astronauts: Human exploration is...
- Atmospheric Structure
Mars - Atmosphere, Structure, Composition: The vertical...
- Sparsely Cratered Plains
Mars - Sparsely-Cratered, Plains, Exploration: The smaller...
- Spacecraft Exploration
U.S. spacecraft successfully flew by Mars ( Mariners 4, 6,...
- Outflow Channels and Oceans
Mars - Outflow Channels, Oceans, Geology: Large flood...
- Southern Cratered Highlands
Mars - Southern Highlands, Craters, Exploration: The number...
- The Atmosphere
1 day ago · Spatiotemporal distribution of surface Fe abundance in the ancient Martian terrains. The global geologic map of Mars 35 (Supplementary Fig. 1) was used to identify the apparent relative surface ...
4 days ago · Mars has a diameter of 6,792 km (4,220 miles); the planet’s circumference around the equator is 21,326 km (13,300 miles). Thus, if you’re moving at a speed of about 100 km per hour (62 miles per hour), it will take you about nine days to travel around the planet's equator.
4 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).
5 days ago · Mars Science Laboratory (MSL) is a robotic space probe mission to Mars launched by NASA on November 26, 2011, which successfully landed Curiosity, a Mars rover, in Gale Crater on August 6, 2012. [3] [9] [10] [11] The overall objectives include investigating Mars' habitability , studying its climate and geology , and collecting data ...
3 days ago · Mars 4NM and Mars 5NM – projects intended by the Soviet Union for heavy Marsokhod (in 1973 according to initial plan of 1970) and Mars sample return (planned for 1975). The missions were to be launched on the failed N1 rocket.
3 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.
