M. Janssen's photographs of the Sun

M. K. V. Bappu, 1927 - 1982

M. K. Vainu Bappu, 1927 August 10 - 1982 August 19.

M. Kamienski, 1897 November 24 - 1973 April 18.

M. L. Humason, 1891 August 19 - 1972 June 18.

M. Le Verrier's planetary researches

M. Le Verrier's Researches on the Motion of the Planet Mars

M. Leverrier's planetary researches

M. Lœwy's method of determining the constant of aberration

M. Norbert Van Beylen

M. Ryle received the Nobel Prize in Physics for 1974.

M. Shapley telegraphie: "Cancel Metcalf Comet"

M. Thollon's Atlas of the Solar Spectrum

M. Tisserand's "Traité de Mécanique Céleste"

M.I.T. studies of transient X-ray phenomena

M/L and Color Evolution for A Deep Sample of M* Cluster Galaxies at z~1: The Formation Epoch and the Tilt of the Fundamental Plane

M/L and velocity anisotropy from observations of spherical galaxies, or must M87 have a massive black hole

M/L Constraints on the Mass of the Neutrino

M/L for Double Galaxies, a Correction.

M/L in individual galaxies