solar system

Star with orbiters

A solar system is a star and all the celestial bodies that orbit it—planets, moons, asteroids, comets.

The term applies to any such arrangement in the universe: Astronomers have discovered thousands of solar systems in our galaxy.

In casual usage, often refers specifically to our own. (Capitalized Solar System refers specifically to Earth's.)

generic

telescope

Instrument magnifying faraway objects

space · universe · planetarium · orrery · ephemeris · almanac · discovery · observation · charting · nomenclature

mechanics

ecliptic

Sun's apparent annual path

revolution · sidereal · synodic · retrograde · prograde · inclination · eccentricity · velocity · trajectory · barycenter

model

orrery

Mechanical solar system model

  • dioramaEnclosed miniature scene display
  • scaleMeasure of relative size
  • replicaFaithful scaled reproduction

kit · educational · planetarium · simulation · 3D · mobile · geocentric · heliocentric · Ptolemaic · Copernican

Categories
Opposites
cosmic scale

solar systemgalaxy

Gravitationally bound stellar mass

universe · cosmos · Milky Way · supercluster · observable universe

boundedness/structure

solar systeminterstellar space

Region beyond solar systems

void · intergalactic space · deep space · empty space · chaos

celestial vs. terrestrial

solar systemEarth

Our world

home planet · terra firma · biosphere

Family

system, solar, parasol, solarium, solarize, solarization, solarized, solarizing

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G