The Milky Way Magnetic Field Mapping Mission: M4
The milli-arc-second structure imager (MASSIM): a new concept for a high angular resolution x-ray telescope
The Millimeter-wave Bolometric Interferometer (MBI)
The mirrors for the Extreme Ultraviolet Explorer
The misalignment induced aberrations of TMA telescopes
The MMT conversion - A status report
The MMT Conversion Project: A Progress Report
The MMT observatory on Mount Hopkins
The Modeling of Fiber Bragg Diffraction Grating
The momentum-resolved and time-resolved two-color optical coherence absorption spectrum in the scattering process
The Motions and Morphologies of cloud features on Neptune: continued monitoring with Keck Adaptive Optics
The Mount Wilson Adaptive Optics Coronagraph
The Mount Wilson Optical Shop during the Second World War
The MPE X-ray test facility PANTER: Calibration of hard X-ray (15-50 kev) optics
The MPIA multipurpose laboratory atmospheric turbulence simulator MAPS
The MSFC vector magnetograph
The MT John 1 metre telescope project
The MuGSHoTS Program, Multiplicity for Galactic Stars of the Halo and Traceable Systems: First Detection of Low-mass, Metal-Poor Pairs with Mappable Orbits.
The multi-conjugate adaptive optics module for the E-ELT
The multi-mirror-telescope and the future of ground-based astronomy