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Sep 17, 2024 · Learn about Mars, the fourth planet from the Sun, and its features, seasons, moons, and history. See images and videos of Mars' surface, atmosphere, and rovers, and play games and activities.
2 days ago · Mars is the fourth planet from the Sun and one of the Earth’s two closest neighbors (the other one being Venus). How far is Mars from the Sun? Due to the high eccentricity of the Red Planet’s orbit, there’s a significant difference between Mars’ closest and farthest points from the Sun, which equal 206.6 million km (128.4 million miles) and 249.2 million km (154.9 million miles), respectively.
3 days ago · A new study by MIT researchers suggests that “Mars’ missing atmosphere may be locked up in the planet’s clay-rich surface,” reports Tom Howarth for Newsweek. “According to the researchers, ancient water trickling through Mars' rocks could have triggered a series of chemical reactions, converting CO2 into methane and trapping the carbon in clay minerals for billions of years,” explains Howarth.
4 days ago · Mars - Red Planet, Orbit, Moons: Mars is the fourth planet out from the Sun. It moves around the Sun at a mean distance of 228 million km (140 million miles), or about 1.5 times the distance of Earth from the Sun. Because of Mars’s relatively elongated orbit, the distance between Mars and the Sun varies from 206.6 million to 249.2 million km (128.4 million to 154.8 million miles). Mars orbits the Sun once in 687 Earth days, which means that its year is nearly twice as long as Earth’s. At ...
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3 days ago · New research suggests the atmosphere of Mars may be hiding in plain sight, having been absorbed by minerals in the Red Planet's clays. If Mars' envelope of gas did "go to ground" over 3 billion ...
3 days ago · Mars 4 flew by the planet at a range of 2200 km returning one swath of pictures and radio occultation data, which constituted the first detection of the nightside ionosphere on Mars. [49] Mars 7 probe separated prematurely from the carrying vehicle due to a problem in the operation of one of the onboard systems ( attitude control or retro-rockets) and missed the planet by 1,300 kilometres (8.7 × 10 −6 au).
1 day ago · About Mars Helicopter. When you’re playing the game, you might notice a little helicopter joining you on your journey. The real Perseverance rover will have a helicopter friend, too! NASA’s solar-powered Mars Helicopter will be the first aircraft to fly on another planet. The Mars helicopter is an experiment for NASA’s scientists and ...
