outer planet

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  • noun

Words related to outer planet

(astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)

References in periodicals archive ?
Their orbits might eventually cross, and the outer planet would eject the middle planet during a close encounter.
Intriguingly, notes Fischer, the ratio of the masses of the outer planet to the inner planet is the same as the ratio of Saturn's mass to Jupiter's.
We're 500 years in the future, following a war in a newly colonized solar system that was won by a coalition called the Alliance; the losers, the Independents, roam the outer planets like frontier cowboys, along with the Reavers, thugs who eat their enemies live.
The outer planet, Kepler-47c, orbits its host pair every 303 days, placing it in the so-called "habitable zone," the region in a planetary system where liquid water might exist on the surface of a planet.
The larger outer planet falls just outside the outer boundary of the habitable zone and is also likely to be rocky, while the smaller inner planet is too close to the star to be habitable.
GLARINGLY obvious is the reversal of your ruler and resident Neptune, from June 9 until November 15, but as he's an outer planet his influence is subtler.
He also worked on Pioneer 10, which was launched in 1972 and was the first spacecraft to investigate an outer planet when it flew by Jupiter, and Pioneer 11, which was launched in 1973 and flew by Jupiter and Saturn.
Contract awarded for Line Route 33 Hapcheon ocean outer planet one place to install safety facilities construction
So far, scientists know that the outer planet, Kepler-47c, is roughly 4.
It captures the size of the giant outer planet, and we saw the two moons up close for the first time.
An outer planet, PH3d, is slightly larger and heavier than Saturn, for example.
It orbits the star every 13 days, meaning it is in a 5-to-3 resonance with the outer planet.
The orbit of the outer planet, meanwhile, is not yet well-known, but researchers estimate that it receives less radiation than the Earth does and could either be warm enough to have liquid water, or be a cold and frigid icy world.
The larger outer planet, Kepler-36c, is a hot, gaseous, Neptune-like planet.
The HR 8799 system's two innermost planets are the heaviest, about 10 times as massive as Jupiter, while the outer planet is the lightest--a size relationship that hints the planets coalesced from a vast disk of gas, dust and ice particles that once encircled the star.