1) Jupiter and Saturn, for two
Found on
https://www.crosswordclues.com/clue/outer-planet
(from the article `solar system`) ...planets—Mercury, Venus, Earth, and Mars—have rocky compositions and densities greater than 3 grams per cubic cm. (Water has a density of 1 gram ... This general scheme of planet formation—the building up of larger masses by the accretion of smaller ones—occurred in the outer solar...
Found on
http://www.britannica.com/eb/a-z/o/40
noun (astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)
Found on
https://www.encyclo.co.uk/local/20974
any of the five planets with orbits outside the orbit of Mars: Jupiter, Saturn, Uranus, Neptune, and Pluto. Cf.
Found on
https://www.infoplease.com/dictionary/outer-planet
No exact match found.
