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Millennium Falcon
The Millennium Falcon is a fictional starship in the Star Wars franchise, a modified YT-1300 Corellian light freighter flown by smuggler Han Solo and Chewbacca, introduced in 1977.
Milstar
Milstar (Military Strategic and Tactical Relay) is a United States military satellite communications system providing secure, jam-resistant communications, with five satellites launched between 1994 and 2003.
MINERVA-II-1
MINERVA-II1 was a pair of small hopping rovers, Rover-1A and Rover-1B, deployed from Japan's Hayabusa2 spacecraft onto the asteroid Ryugu in 2018, performing the first mobile surface exploration of a small solar-system body.
MINERVA-II-2
MINERVA-II-2 was a small rover built by a Japanese university consortium and released from the spacecraft Hayabusa2 at the asteroid Ryugu, orbiting it after a boot anomaly prevented surface operation.
Minotaur I
Minotaur I is an American four-stage solid-fuel launch vehicle built by Orbital Sciences for US government payloads, using two Minuteman ICBM stages; first launched in 2000, it has flown 11 missions and delivered 62 satellites.
Mir (Мир)
Mir (Мир) was a Soviet and later Russian modular space station in orbit from 1986 to 2001, the first modular station and host to 125 visitors.
MIRI (Mid-Infrared Instrument)
MIRI (Mid-Infrared Instrument) is the coldest of the four science instruments on the James Webb Space Telescope, observing mid-infrared wavelengths from 4.9 to 28.8 micrometers since 2021.
MIRO
MIRO, the Microwave Instrument for the Rosetta Orbiter, was a millimeter-submillimeter spectrometer on ESA's Rosetta spacecraft that measured gas abundances and subsurface temperatures on comet 67P.
Mission control center
A mission control center (MCC), also called a Mission Operations Centre, is a ground facility from which spaceflight or satellite missions are monitored and commanded from launch through end of mission.
Mission Extension Vehicle
The Mission Extension Vehicle (MEV) is a Northrop Grumman spacecraft that docks with fuel-depleted communications satellites in geostationary orbit, taking over their propulsion to extend their working life.
Mission Mangal (मिशन मंगल)
Mission Mangal (मिशन मंगल), 2019 Hindi drama directed by Jagan Shakti, starring Akshay Kumar and Vidya Balan, dramatizes ISRO's Mangalyaan Mars Orbiter Mission; released 15 August 2019, it earned ₹290.59 crore worldwide with mixed reviews.
Mission Shakti
Mission Shakti, Sanskrit for strength, was India's first anti-satellite missile test on 27 March 2019, in which a DRDO interceptor destroyed the Microsat-R satellite in low Earth orbit.
Mission to Mars
Mission to Mars is a 2000 American science fiction film directed by Brian De Palma, in which a rescue crew travels to Mars after an expedition is destroyed.
Mission: Space
Mission: Space is a space-flight simulator attraction at EPCOT in Walt Disney World, opened in 2003, offering an intense spinning Orange Mission to Mars and a gentler Green Earth-orbit version.
MMRTG
The Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) is a nuclear battery that converts plutonium-238 decay heat into electricity, powering NASA's Curiosity and Perseverance rovers on Mars and planned for the Dragonfly mission to Titan.
MMX (spacecraft)
MMX (Martian Moons eXploration) is a JAXA spacecraft that will land on Mars's moon Phobos and return more than 10 grams of samples to Earth in 2031.
Mobile launcher platform
A mobile launcher platform is a large structure on which a rocket is assembled, transported to the launch pad, and launched; NASA's serves the SLS rocket at Kennedy Space Center.
Model rocket
A model rocket, also called a low-power rocket, is a small recoverable hobby rocket flown on commercial solid-propellant motors, treated as a safe way to learn rocketry.
Model rocket motor classification
Model rocket motor classification is the American letter-and-number system sorting hobby motors by total impulse, average thrust, and delay time, as in a C6-5 motor.
MODIS
MODIS (Moderate Resolution Imaging Spectroradiometer) is a 36-band NASA imaging spectroradiometer flying on the Terra and Aqua satellites since 1999 and 2002, measuring vegetation, clouds, fires, snow, and ocean color worldwide.
Mojave Air and Space Port
Mojave Air and Space Port at Rutan Field (MHV), in Kern County, California, is an FAA-licensed horizontal-launch spaceport and public airport; first inland FAA launch site (June 17, 2004), home of SpaceShipOne, Scaled Composites, and Stratolaunch.
Molniya (rocket)
Molniya (Молния, "Lightning"), designated 8K78, was a Soviet and Russian four-stage orbital rocket built on the R-7 missile in 1960, flying Mars, Venus, and lunar missions until 2010.
Molniya (satellite)
Molniya-1 (Молния-1, "Lightning-1") was a Soviet communications satellite first launched successfully in 1965, relaying television and long-distance telephone across the USSR from the highly elliptical orbit that now bears its name.
Molniya (Молния) (satellite)
Molniya (Молния, "Lightning") is a series of Soviet and Russian communications satellites, first launched in 1964, whose highly elliptical 12-hour orbits keep each satellite visible over high northern latitudes.
Molniya orbit
A Molniya orbit is a highly elliptical 12-hour Earth orbit inclined at 63.4°, letting satellites dwell for hours over high northern latitudes where geostationary satellites cannot serve.
Momentus
Momentus is a U.S. commercial space company founded in 2017 by Mikhail Kokorich, headquartered in San Jose, California, that moves satellites to their operational orbits with its water-propellant Vigoride vehicles.
Monkeys and apes in space
Monkeys and apes in space were nonhuman primates launched mostly by the United States and Soviet Union between 1948 and 1997 to test spaceflight survival before humans flew.
Monomethylhydrazine
Monomethylhydrazine (MMH, CH₃NHNH₂) is a colorless, fuming, toxic liquid used as a storable hypergolic rocket fuel that ignites on contact with nitrogen tetroxide, powering spacecraft thrusters since Gemini and Apollo.
Moon landing
A Moon landing is the arrival of a spacecraft on the Moon's surface, first achieved by the Soviet Luna 9 in 1966 and first crewed by Apollo 11 in 1969.
Moon landing conspiracy theories
Moon landing conspiracy theories, also called the Apollo moon landing hoax, falsely claim NASA staged the 1969 to 1972 lunar landings; every argument has been discredited.