Definition of outer planet in English:
A planet whose orbit lies outside the asteroid belt, i.e., Jupiter, Saturn, Uranus, or Neptune.
- One of four gas giant outer planets (along with Jupiter, Uranus, and Neptune), Saturn is the second most massive planet in the solar system.
- These are separated into four inner planets (Mercury, Venus, Earth and Mars) and five outer planets (Jupiter, Saturn, Uranus, Neptune and Pluto).
- Further afield there are the starkly beautiful pictures taken by Voyager, of a ringed Saturn and the outer planets, Uranus and Neptune.
Definition of outer planet in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia