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The Hohmann transfer orbit can be made free-return. It takes 250 days (0.68 years) in the transit to Mars, and in the case of a free-return style abort without the use of propulsion at Mars, 1.5 years to get back to Earth, at a total delta-v requirement of 3.34 km/s. Zubrin advocates a slightly faster transfer, that takes only 180 days to Mars ...
The Sample Collection for Investigation of Mars (SCIM) is a mission concept for a Mars air and dust sample return. It was a semi-finalist at the Mars Scout Program along with four other missions in December 2002. [2] [3] The SCIM mission would be designed to skim through the Mars atmosphere without landing or entering orbit. [1]
The Mars Sample Recovery Helicopters are a pair of robotic unmanned helicopters being developed by the engineers of the American company AeroVironment Inc. and proposed in March 2022 as a means of delivering Martian soil samples from the sample depots made by the Perseverance rover to the location of the Sample Retrieval Lander (SRL) that will load these samples onto the Mars Ascent Vehicle ...
Mars Ascent Vehicle (MAV) is a two-stage, solid-fueled rocket that will deliver the collected samples from the surface of Mars to the Earth Return Orbiter. Early in 2022, Lockheed Martin was awarded a contract to partner with NASA's Marshall Space Flight Center in developing the MAV and engines from Northrop Grumman . [ 170 ]
Less budget, rising costs impact Mars Sample Return An $11 billion price tag for the program would cause NASA to cannibalize other science programs and missions, Nelson said.
Tianwen-3 (Chinese: 天问三号) is a planned Mars sample-return mission by China which would send two spacecraft (an orbiter/Earth-returner and a lander/ascent-vehicle) via two separate launches to Mars. Together, the two spacecraft will seek to obtain samples of Martian rocks and soil and then return the cached samples to Earth. [1]
The move to redesign the mars sample return strategy comes after a NASA-commissioned independent review concluded last September that the program was hindered by "unrealistic budget and schedule ...
If Bridenstine becomes administrator of NASA again, his first task would be to get the Artemis program on track.