outer Solar System

proper noun

The area of the Solar System that comprises certain objects that are relatively far from the Sun, including Jupiter, Saturn, Uranus and Neptune, while not including the other planets.

Opposite
inner Solar System
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Meanings

proper nounthe outer Solar System
  1. astronomyThe area of the Solar System that comprises certain objects that are relatively far from the Sun, including Jupiter, Saturn, Uranus and Neptune, while not including the other planets.

Synonyms & antonyms

Opposite
inner Solar System
Cite this entry
APA

outer Solar System. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/outer%20Solar%20System

MLA

“outer Solar System.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/outer%20Solar%20System. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “outer Solar System,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/outer%20Solar%20System.

Source: outer Solar System on Wiktionary, CC BY-SA 4.0.