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In his 1976 book The High Frontier: Human Colonies in Space Dr. Gerard O'Neill proposed the establishment of gigantic Space Islands in L 5. The inhabitants of the L5 Society should convert lunar material to huge solar power satellites. Many works of fiction, most notably the Gundam series, involve colonies at these locations.
Artist's rendering of NASA's 2001 Mars Odyssey orbiting Mars. The following table is a list of Mars orbiters, consisting of space probes which were launched from Earth and are currently orbiting Mars. As of August 2023, there have been 18 spacecraft missions operating in Mars' orbit, 7 of which are currently active.
The satellites of Mars include : Non functional but (probably) orbiting: Viking 1 & 2 orbiter; Mariner 9; Mars Global Surveyor; Mars 2, 3, 5; Phobos 2;
There is a proposal to use the Optical Navigation Camera on the Mars Reconnaissance Orbiter to search for small moons, dust rings and old orbiters. [45] As of 2016, there were believed to be eight derelict spacecraft in orbit around Mars (barring unforeseen event). [46] The Viking 1 orbiter was not expected to decay until at least 2019. [47]
Solar System space probes operational as of November 2024. This is a list of active space probes which have escaped Earth orbit. It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points (for these, see List of objects at Lagrangian points). A craft is deemed "active" if it is still able to ...
Mars: Success: Hope satellite is the United Arab Emirates Space Agency's uncrewed space research project on Mars. It was launched with Japanese H-IIA rocket on 19 July and reached Mars on 9 February 2021. China: Tianwen-1: Mars: Success
In the United States, SpaceX's Dragon 2 spacecraft made its first crewed flight to the International Space Station on 31 May 2020 as part of the Commercial Crew Program, [8] enabling American human orbital spaceflight capability for the first time since the Space Shuttle's retirement in 2011. Dragon 2 became the first commercial system to fly ...
Another suggested feature under study is "the sample rendezvous capture and return capability". The samples cached by the Mars 2020 rover would be placed in Mars orbit by a future Mars ascent vehicle. From there, the orbiter would rendezvous, transfer the samples into a capsule and send it back to Earth. [12]