The five-planet Nice model is a numerical model of the early Solar System that is a revised variation of the Nice model. It begins with five giant planets...

In astronomy, the Nice (/ˈniːs/) model is a scenario for the dynamical evolution of the Solar System. It is named for the location of the Côte d'Azur Observatory—where...

The Nice 2 model is a model of the early evolution of the Solar System. The Nice 2 model resembles the original Nice model in that a late instability of...

hypothetical ice giant proposed as part of the Five-planet Nice model, an extension of the Nice model of solar system evolution. This hypothesis suggests...

Hypothetical planets of the Solar System Nemesis (hypothetical star) Planets beyond Neptune Tyche (hypothetical planet) Five-planet Nice model As of 2024...

only five of the seven classical planets remain recognized as planets, alongside Earth, Uranus, and Neptune. The Babylonians recognized seven planets. A...

interstellar space. Following the dissipation of the protoplanetary disk, the Nice model proposes that gravitational encounters between planetisimals and the gas...

lists of planets. A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation...

2014). "Structural and tidal models of Titan and inferences on cryovolcanism". Journal of Geophysical Research: Planets. 119 (5): 1013–1036. Bibcode:2014JGRE...

is the innermost and second-smallest of the four Galilean moons of the planet Jupiter. Slightly larger than Earth's Moon, Io is the fourth-largest natural...

the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids or minor planets. The identified...

(December 2023). "High-resolution shape models of Phobos and Deimos from stereophotoclinometry". Earth, Planets and Space. 75 (1): 103. Bibcode:2023EP&S...

Solar System models Formation and evolution of the Solar System – Nebular hypothesis Terrestrial planets Iron planets Mercury Silicate planets Geodynamics...

has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter...

excited—can be explained by the five-planet Nice model. The five-planet Nice model, which argues for an additional ice giant planet in addition to Uranus and...

above sea level are only available on Earth, and possibly Titan. On other planets, peak elevations above an equipotential surface or a reference ellipsoid...

of the Solar System Though astronomers generally accept Orcus as a dwarf planet, some doubt remains A major moon is a moon that is hydrostatically round...

of planets and that the motion of planets is controlled by the nous (mind). Anaximander, around 560 BCE, was the first to conceive a mechanical model of...

Largest valleys Largest lakes Hypothetical Planet Nine Five-planet Nice model Vulcanoids Tyche Nemesis Planets beyond Neptune Claimed moons of Earth List...

Around a Loaded Sputnik Planitia Basin, Pluto". Journal of Geophysical Research: Planets. 126 (12). Bibcode:2021JGRE..12606964M. doi:10.1029/2021JE006964....

Juno (minor-planet designation: 3 Juno) is a large asteroid in the asteroid belt. Juno was the third asteroid discovered, in 1804, by German astronomer...

other liquid on or near the surface of a solid round body (terrestrial planet, planetoid, or moon). Currently, cold surface bodies of liquid are found...

specifies an evolution of giant-planet migration described by the Nice model, in which an ice giant (an additional Neptune-mass planet) is scattered inward by...

contrast to a five-planet Nice model without a Planet Nine that can closely match the observed inclination distribution. In a model including Planet Nine, part...

Observation of non-fixed or "wandering" objects in the night sky: the five classical planets; shooting stars and meteor showers; bolides; comets; auroras; zodiacal...

basins relative to craters. Disrupted planet Fifth planet (hypothetical) Nice model Phaeton (hypothetical planet) List of hypothetical solar system objects...

craters on 40 astronomical bodies, which includes minor planets (asteroids and dwarf planets), planets, and natural satellites. All geological features of...

(the Nice model). Uranus orbits the Sun once every 84 years. As viewed against the background of stars, since being discovered in 1781, the planet has...

but no consensus yet exists. The Nice model, popular among planetary scientists, postulates that the giant planets underwent orbital migration, scattering...

series of events involving the planet Jupiter and the star Regulus that took place in 3 BC, and between Jupiter and the planet Venus in 2 BC might explain...