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mars [2021/08/27 07:09] aga |
mars [2021/09/27 11:03] rapidplatypus [Opportunity rover] |
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==== Moons of Mars ==== | ==== Moons of Mars ==== | ||
- | Mars has two small moons, Phobos (22.2 km, 13.8 mi) and Deimos (12.6 km, 7.8 mi) [([[https:// | + | Mars has two small moons, Phobos (22.2 km, 13.8 mi) and Deimos (12.6 km, 7.8 mi). [([[https:// |
==== Olympus Mons ==== | ==== Olympus Mons ==== | ||
- | Olympus Mons is the tallest volcano on Mars, and the highest known mountain in the solar system, with a height of 16 miles (25 km) [([[https:// | + | Olympus Mons is the tallest volcano on Mars, and the highest known mountain in the solar system, with a height of 16 miles (25 km). [([[https:// |
==== 687 Earth days ==== | ==== 687 Earth days ==== | ||
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==== Eight active missions ==== | ==== Eight active missions ==== | ||
- | As of December 2020, there are eight missions from around the world actively orbiting Mars or exploring its surface. The missions are from the U.S., European Union, Russia, and India.[([[https:// | + | As of December 2020, there are eight missions from around the world actively orbiting Mars or exploring its surface. The missions are from the U.S., European Union, Russia and India.[([[https:// |
==== Curiosity rover ==== | ==== Curiosity rover ==== | ||
- | On Jan 12, 2021, NASA's Curiosity rover passed 3,000 Martian days of work on the surface of Mars. It managed to travel over 23km (as of Jul 2020). It's powered by a nuclear battery and a radioisotope thermoelectric generator (RTG), which produces energy from the decay of 11 lb (4.8 kg)of plutonium-238 dioxide. [([[https:// | + | On Jan 12, 2021, NASA's Curiosity rover passed 3,000 Martian days of work on the surface of Mars. It managed to travel over 23km (as of Jul 2020). It's powered by a nuclear battery and a radioisotope thermoelectric generator (RTG), which produces energy from the decay of 11 lb (4.8 kg) of plutonium-238 dioxide. [([[https:// |
==== Opportunity rover ==== | ==== Opportunity rover ==== | ||
- | Opportunity was a robotic rover that was exploring the surface of Mars surface for 15 years between 2004 and 2018. Its mission was planned for 90 sols (Martian days), but it managed to work 5,352 sols (5,498 Earth days). Opportunity drove 45.16 km, took over 224,000 photographs, made many important findings, including evidence of salty water deep enough to alter rocks. [([[https:// | + | Opportunity was a robotic rover that was exploring the surface of Mars surface for 15 years between 2004 and 2018. Its mission was planned for 90 sols (Martian days), but it managed to work 5,352 sols (5,498 Earth days). Opportunity drove 45.16 km, took over 224,000 photographs |
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