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Artist's rendition of Mars Express as seen by NASA's Mars Global Surveyor Image of Mars Express in orbit at Mars. 2001 Mars Odyssey was launched April 7, 2001 on a Delta II rocket and currently holds the record for the longest-surviving continually active spacecraft in orbit around a planet other than Earth at 23 years, 3 months and 17 days.
2023 FW 14 is a small asteroid orbiting near the L 4 point of Mars (60 degrees ahead of Mars on its orbit). As of March 2024, it is the second known asteroid to orbit the leading L 4 point of Mars together with (121514) 1999 UJ 7, although at least 15 other asteroids orbit Mars's trailing L 5 point, including 5261 Eureka, (101429) 1998 VF 31, and 2007 NS 2. [3]
NASA's Mariner 4 was the first spacecraft to visit Mars; launched on 28 November 1964, it made its closest approach to the planet on 15 July 1965. Mariner 4 detected the weak Martian radiation belt, measured at about 0.1% that of Earth, and captured the first images of another planet from deep space.
Mars is located 142,000,000 miles away from the Sun. Named after the Roman God of war, Mars is widely known for its blood-red color. Chinese astronomers even used to call Mars the 'fire star ...
Jezero, once considered a site for the Mars Science Laboratory, was later proposed as a landing site for NASA's Mars 2020 mission, carrying the rover Perseverance and the helicopter Ingenuity. [ 28 ] [ 29 ] In early 2017 it was selected as one of the top three candidate landing sites, along with northeast Syrtis , 30 km (19 mi) to the southwest.
The following outline is provided as an overview of and topical guide to Mars: Mars – fourth planet from the Sun and the second-smallest planet in the Solar System , after Mercury . Named after the Roman god of war , it is often referred to as the " Red Planet " [ 1 ] [ 2 ] because the iron oxide prevalent on its surface gives it a reddish ...
Impactite, shown to preserve signs of life on Earth, was discovered on Mars and could contain signs of ancient life, if life ever existed on the planet. [50] On June 7, 2018, NASA announced that the Curiosity rover had discovered organic molecules in sedimentary rocks dating to three billion years old.
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 ...