Solar System

Proper noun

1. The Sun and all the heavenly bodies that orbit around it, including the eight planets, their moons, the asteroids, and comets.
   • Holonyms: Orion Arm < Milky Way < Local Group < Virgo Supercluster < Laniakea < Universe
   • Meronyms: (planets) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune; (selected major planetoids) Pluto, Ceres; (selected regions) inner Solar System, asteroid belt, outer Solar System; more at...
   • This morning we are celebrating a beginning. A beginning of what we think is great promise. It's the opening of a new era in the history of manned space flight. We are ready to take that first great step out into the...