• Thumbnail for Giant planet
    A giant planet, sometimes referred to as a jovian planet (Jove being another name for the Roman god Jupiter), is a diverse type of planet much larger...
    19 KB (2,420 words) - 20:37, 7 June 2024
  • Thumbnail for Gas giant
    gas giant is a giant planet composed mainly of hydrogen and helium. Jupiter and Saturn are the gas giants of the Solar System. The term "gas giant" was...
    18 KB (1,908 words) - 23:07, 2 June 2024
  • Thumbnail for Ice giant
    An ice giant is a giant planet composed mainly of elements heavier than hydrogen and helium, such as oxygen, carbon, nitrogen, and sulfur. There are two...
    20 KB (2,320 words) - 20:23, 21 April 2024
  • Thumbnail for Planet
    has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter...
    196 KB (20,668 words) - 17:59, 12 June 2024
  • 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, the...
    69 KB (8,538 words) - 15:52, 5 June 2024
  • Thumbnail for Jupiter
    Jupiter (redirect from Planet Jupiter)
    planet from the Sun and the largest in the Solar System. A gas giant, Jupiter's mass is more than two and a half times that of all the other planets in...
    175 KB (16,458 words) - 20:26, 7 June 2024
  • Thumbnail for Planet Nine
    Konstantin Batygin and Michael Brown suggested that Planet Nine may be the core of a giant planet that was ejected from its original orbit by Jupiter...
    178 KB (19,006 words) - 20:28, 27 May 2024
  • Thumbnail for Planets beyond Neptune
    Lowell's quest for Planet X. Lowell proposed the Planet X hypothesis to explain apparent discrepancies in the orbits of the giant planets, particularly Uranus...
    76 KB (9,278 words) - 00:48, 24 May 2024
  • Thumbnail for Solar System
    Solar System (redirect from Inner planet)
    and Saturn); and two ice giants (Uranus and Neptune). All terrestrial planets have solid surfaces. Inversely, all giant planets do not have a definite surface...
    214 KB (21,493 words) - 14:46, 8 June 2024
  • evolution of giant-planet migration described by the Nice model, in which an ice giant (Uranus, Neptune, or an additional Neptune-mass planet) is scattered...
    103 KB (13,549 words) - 03:08, 3 March 2024
  • giant planet formation to be within 10 AU, where the planets can coalesce quickly enough before the disk evaporates. Very-long-period giant planets may...
    55 KB (6,471 words) - 14:06, 23 March 2024
  • Planet of Giants is the first serial of the second season in the British science fiction television series Doctor Who. Written by Louis Marks and directed...
    21 KB (2,141 words) - 03:30, 29 January 2024
  • Thumbnail for Exoplanet
    Exoplanet (redirect from Exosolar planet)
    suggestion is that planets should be distinguished from brown dwarfs on the basis of their formation. It is widely thought that giant planets form through core...
    147 KB (15,922 words) - 11:45, 20 May 2024
  • Thumbnail for Neptune
    Neptune (redirect from Planet Neptune)
    known planet from the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It...
    145 KB (14,213 words) - 10:53, 5 June 2024
  • Thumbnail for Red giant
    Subgiants Giants Red giants Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) A red giant is a luminous giant star...
    26 KB (3,355 words) - 01:07, 23 May 2024
  • Thumbnail for List of planet types
    S2CID 247065421. "The Outer Planets: Giant Planets: What Are They, and Where Are They?". lasp.colorado.edu. Retrieved 2024-04-21. "Two planets found sharing one...
    13 KB (547 words) - 12:43, 8 June 2024
  • Thumbnail for Planetary system
    planets orbiting the pulsar PSR B1257+12. The first confirmed detection of exoplanets of a main-sequence star was made in 1995, when a giant planet,...
    47 KB (5,444 words) - 15:35, 12 June 2024
  • Thumbnail for Helium planet
    A helium planet is a planet with a helium-dominated atmosphere. This contrasts with ordinary gas giants such as Jupiter and Saturn, whose atmospheres consist...
    5 KB (577 words) - 09:06, 18 May 2024
  • Thumbnail for Nebular hypothesis
    producing a few terrestrial planets. The last stage takes approximately 100 million to a billion years. The formation of giant planets is a more complicated...
    75 KB (9,132 words) - 21:19, 18 March 2024
  • Ring system (redirect from Planet ring)
    known as planetary rings, common components of satellite systems around giant planets such as of Saturn, or circumplanetary disks. But they can also be galactic...
    37 KB (3,765 words) - 15:06, 10 June 2024
  • Thumbnail for Uranus
    Uranus (redirect from Planet Uranus)
    Uranus is the seventh planet from the Sun. It is a gaseous cyan-coloured ice giant. Most of the planet is made of water, ammonia, and methane in a supercritical...
    157 KB (15,475 words) - 13:33, 23 May 2024
  • Thumbnail for Nibiru cataclysm
    been shown to be based on a faulty understanding of Sumerian text, a giant planet (called Nibiru or Marduk) passes by Earth every 3,600 years, allowing...
    89 KB (8,634 words) - 23:46, 1 June 2024
  • containing Giant Giant planet, a type of planet Gas giant, a giant planet composed primarily of hydrogen and helium Ice giant, a giant planet composed primarily...
    10 KB (1,201 words) - 02:51, 11 June 2024
  • Thumbnail for Late Heavy Bombardment
    would be significantly increased by the sweeping of resonances due to giant planet migration. Studies of the highland crater size distributions suggest...
    44 KB (5,482 words) - 13:07, 26 May 2024
  • Thumbnail for Nice model
    developed in 2005—in Nice, France. It proposes the migration of the giant planets from an initial compact configuration into their present positions,...
    47 KB (5,828 words) - 11:12, 4 May 2024
  • Thumbnail for Formation and evolution of the Solar System
    was for the inner planets to migrate inward as the disk dissipated, leaving the planets in their current orbits. The giant planets (Jupiter, Saturn, Uranus...
    112 KB (13,403 words) - 05:32, 8 June 2024
  • Thumbnail for Sudarsky's gas giant classification
    Reflection Spectra of Extrasolar Giant Planets and expanded on in Theoretical Spectra and Atmospheres of Extrasolar Giant Planets, published before any successful...
    13 KB (1,525 words) - 07:12, 22 March 2024
  • Thumbnail for Methods of detecting exoplanets
    approximately the same size as gas giant planets, white dwarfs and brown dwarfs. This is due to the fact that gas giant planets, white dwarfs, and brown dwarfs...
    133 KB (15,111 words) - 15:13, 12 June 2024
  • Thumbnail for Accretion (astrophysics)
    terrestrial planets differs from that of giant gas planets, also called Jovian planets. The particles that make up the terrestrial planets are made from...
    39 KB (4,340 words) - 05:38, 10 June 2024
  • Thumbnail for List of largest exoplanets
    Johansen, A.; Janson, M.; Rafikov, R. (2014). "Giant Planet and Brown Dwarf Formation". Protostars and Planets VI. arXiv:1401.7559. doi:10...
    63 KB (5,342 words) - 11:30, 10 May 2024