M5-Branes, D4-Branes and Quantum 5D super-Yang-Mills
M5-branes, Special Lagrangian Submanifolds and sigma-models
M5-branes, toric diagrams and gauge theory duality
M50
M51
M51 - Molecular spiral arms, giant molecular associations, and superclouds
M51 revisited: a genetic algorithm approach of its interaction history
M51 Stripped To Its Bones
M51's Material Arms and Density Waves
M51's spiral structure
M51's Spiral Structure
M51's spiral structure
M51's Tidally Perturbed Velocity Field and Rotation Curve: Self-Gravitating 3D Simulations
M51: Molecular spiral arms, GMAs and superclouds
M52
M53
M53 variable stars V light curves (Kopacki, 2000)
M54
M55
M56