astronomy
1. [ noun ] (physics,astronomy) the branch of physics that studies celestial bodies and the universe as a whole
Synonyms: uranology
Related terms: physics astrophysics solar_physics radio_astronomy astrodynamics astrometry celestial_mechanics star set comet rise inclination autumnal_equinox periapsis stargaze coma nucleus superior direct asterism canal inferior hubble's_law conjunction nebular retrograde active red_shift superior_conjunction inferior_conjunction Oort_cloud barycenter galaxy anomaly absolute_magnitude phase terrestrial_time meteoroid node apoapsis nucleosynthesis ascension immersion astronomer culmination limb vernal_equinox declination orbital_plane right_ascension hour_angle equinoctial_point variation mean_time Kepler's_law epoch libration accretion quiet egress
Similar spelling:   astronomic
  astronomer
  astronomical
  Astronium
  Astropogon
  astrometry
  astronaut
  Astroloma
  astrology
  astrodome
  astrocyte
  astrobiology
  astrocytic
  Astrophyton
  astronautic
  astrolatry