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Mariner 6 spacecraft

The Mariner spacecraft were all relatively small robotic explorers, each launched on an Atlas rocket. The timing of Mariner 6 and 7 allowed them to have a shorter flight duration based on the alignment of the Earth and Mars at the time. The dry weight of Mariner 6 and...

Mariner 7 spacecraft

The Mariner spacecraft were all relatively small robotic explorers, each launched on an Atlas rocket. The timing of Mariner 6 and 7 allowed them to have a shorter flight duration based on the alignment of the Earth and Mars at the time. The dry weight of Mariner 6 and...

Medium Earth Orbit

Medium Earth Orbit (MEO),  is the region around Earth which is above low Earth orbit.  MEO starts at roughly an altitude of 2,000 km (1,243 mi) above sea level.  MEO extends up to an altitude of 35,786 km (22,236 mi) above sea level which is a...

Merlin engine

The SpaceX Merlin is a family of rocket engines developed by SpaceX for use on its Falcon 1, Falcon 9 rocket and Falcon Heavy launch vehicles. Merlin engines use RP-1 and liquid...

MMX(Martian Moons eXploration)

The MMX spacecraft will be equipped with eleven instruments, four of which will be provided by international partners. at NASA (USA), ESA (Europe), CNES (France) and DLR (Germany). JAXA-built instruments include: the telescopic (narrow-angle) camera, TENGOO, for...