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2 dni temu · Mars is the second smallest planet in the solar system, only larger than Mercury and slightly more than half the size of Earth. It has an equatorial radius of 3,396 km (2,110 miles) and a mean polar radius of 3,379 km (2,100 miles).
- Outflow Channels and Oceans
Mars - Outflow Channels, Oceans, Geology: Large flood...
- The Atmosphere
Mars - Atmosphere, Climate, Dust Storms: The Dutch American...
- Mars as Seen From Earth
Mars - Red Planet, Exploration, Mysteries: To the...
- Atmosphere, Surface, Pressure
Mars - Atmosphere, Surface, Pressure: Carbon dioxide...
- Sparsely Cratered Plains
Mars - Sparsely-Cratered, Plains, Exploration: The smaller...
- Meteorites From Mars
Mars - Meteorites, Exploration, Origin: Scientists have...
- Human Exploration
Mars - Exploration, Rovers, Astronauts: Human exploration is...
- Character of the Surface
Mars - Craters, Valleys, Plains: The character of the...
- Outflow Channels and Oceans
Learn about Mars' namesake, potential for life, size, orbit, moons, rings, formation, structure, surface, and more. See images and videos of Mars' diverse and fascinating features, such as volcanoes, canyons, and weather.
Learn about Mars, the fourth planet from the Sun, and its surface features, atmosphere, moons, and history. Find out why Mars is called the Red Planet and how it compares to Earth and other planets.
The geology of Mars is the scientific study of the surface, crust, and interior of the planet Mars. It emphasizes the composition, structure, history, and physical processes that shape the planet. It is analogous to the field of terrestrial geology.
Learn about Mars' namesake, potential for life, size, orbit, moons, rings, formation, structure, surface, and more. See images and videos of Mars' diverse and fascinating features, such as volcanoes, canyons, and weather.
Mars is one of the easiest planets to spot in the night sky — it looks like a bright red point of light. Despite being inhospitable to humans, robotic explorers — like NASA's Perseverance rover and Mars Reconnaissance Orbiter — serve as pathfinders to eventually get astronauts to the surface of the Red Planet.
11 paź 2024 · Learn about Mars' structure, surface, atmosphere, seasons, moons, and history. See images and videos of Mars' features and missions, and play games and activities.