astronomy
951 abbreviations
| Abbreviation | Meaning | |
|---|---|---|
| MGS | (spacecraft) Mars Global Surveyor | |
| MHD | (astrophysics terminology) MagnetoHydroDynamic | |
| MICO | (software) Multi-year Interactive Computer Almanac, astronomy almanac software created by the United States Naval Observatory | |
| MIPS | (instrumentation) Multi-band Imaging Photometer, an instrument on the Spitzer Space Telescope | |
| MJD | (astrophysics terminology) Modified Julian Date, the Julian date minus 2400000.5 | |
| MLO | (organization) | |
| MMO | (spacecraft) Mercury Magnetospheric Orbiter, JAXA space probe to Mercury | |
| MMR | (astrophysics terminology) Mean-Motion Resonance | |
| MMT | (telescope) Multiple Mirror Telescope | |
| MNRAS | (publication) Monthly Notices of the Royal Astronomical Society | |
| MO | (spacecraft) Mars Observer | |
| MOA | (observing program) Microlensing Observations in Astrophysics, a survey searching for gravitational lenses | |
| MOC | (instrumentation) Mars Observer Camera, an instrument on the Mars Observer | |
| MOID | (astrophysics terminology) Minimum Orbit Intersection Distance, the minimum distance between two objects' orbital paths | |
| MOLA | (instrumentation) Mars Observer Laser Altimeter, an instrument on the Mars Observer used to study Mars's topology | |
| MOND | (astrophysics terminology) Modified Newtonian Dynamics | |
| MONS | (telescope) Measuring Oscillations in Nearby Stars, a Danish space telescope that was proposed and designed but not built [3] | |
| MOST | (telescope) Microvariability and Oscillations of STars, a space telescope designed to detect oscillations in the atmospheres of stars and extrasolar planetss in orbit around other stars | |
| MOST | (telescope) Molonglo Observatory Synthesis Telescope, an Australian radio telescope | |
| MOTIF | (telescope) Maui Optical Tracking and Identification Facility | |
| MOXE | (instrumentation) Monitoring X-ray Experiment, an X-ray all-sky monitor designed for the Spectrum-X-Gamma satellite | |
| MPC | (publication) Minor Planet Circulars (also called Minor Planets and Comets) | |
| MPCS | (publication) Minor Planet circulars Supplement | |
| MPEC | (publication) Minor Planet Electronic Circular | |
| MPF | (spacecraft) Mars PathFinder | |
| MPL | (spacecraft) Mars Polar Lander | |
| MPO | (space craft) Mercury Planetary Orbiter, ESA space craft to Mercury | |
| MPP | (instrumentation) Multi-Pinned-Phase, CCD technology that reduces dark current noise | |
| MPS | (observing project) Microlensing Planet Search, a program designed that detect extrasolar planets using a gravitational lensing technique | |
| MRO | (spacecraft) Mars Reconnaissance Orbiter | |
| MSP | (celestial object) MilliSecond Pulsar | |
| MSSS | (organization) Maui Space Surveillance Site | |
| MSSSO | (organization) Mount Stromlo and Siding Spring Observatories | |
| MSX | (telescope) Midcourse Space EXperiment, an infrared space telescope | |
| MUNICS | (observing program) MUnich Near-Infrared Cluster Survey | |
| MUSES | (spacecraft) MU Space Engineering Spacecraft, a Japanese science-related spacecraft launched in a Mu rocket | |
| MUSTANG | (instrumentation) Multiplexed SQUID TES Array at Ninety GHz, A bolometer camera on the Green Bank Telescope. | |
| MW | (celestial object) Milky Way | |
| MWD | (celestial object) Magnetic White Dwarf | |
| MXRB | (celestial object) Massive X-Ray Binary, an X-ray-luminous binary system consisting of a compact star and a very massive star | |
| MYSO | (celestial object) Massive Young Stellar Object | |
| N | (celestial object) Nova | |
| NACA | (organization) National Advisory Committee on Aeronautics, the older name for NASA | |
| NAMN | (organization) North American Meteor Network | |
| NAOJ | (organization) National Astronomical Observatory of Japan | |
| NAS | (organization) Norsk Astronomisk Selskap, the Norwegian name for the Norwegian Astronomical Society | |
| NASA | (organization) National Aeronautics and Space Administration | |
| NASDA | (organization) NAtional Space Development Agency | |
| NBS | (organization) National Bureau of Standards, an older name for the National Institute of Standards and Technology | |
| NCT | (telescope) Nuclear Compton Telescope - a balloon-borne soft gamma-ray (0.2-15 MeV) telescope. |