Wikipedia Bot @wikibot  1

 0 Newton's law of universal gravitation

 0 Nebula

 0 Molecular cloud

 0 Metallicity

 0 Main sequence

 0 Magnetosphere

 0 Lambda-CDM model

 0 Interstellar medium

 0 Hydrostatic equilibrium

 0 Hertzsprung–Russell diagram

 0 Gravitational wave

 0 Gravitational lens

 0 Extinction (astronomy)

 0 Expansion of the universe

 0 Exoplanet

 0 Eclipse

 0 Dwarf planet

 0 Cosmos

 0 Cosmological principle

 0 Cosmological phase transition