• Thumbnail for Mini-Neptune
    A Mini-Neptune (sometimes known as a gas dwarf or transitional planet) is a planet less massive than Neptune but resembling Neptune in that it has a thick...
    15 KB (1,491 words) - 07:41, 29 July 2024
  • Thumbnail for K2-18b
    a magma ocean planet with a hydrogen-rich atmosphere, and a gas-rich mini-Neptune. K2-18b has been studied as a potential habitable world that, temperature...
    41 KB (4,751 words) - 06:46, 25 July 2024
  • Thumbnail for K2-3d
    also known as EPIC 201367065 d, is a confirmed exoplanet of probable mini-Neptune type orbiting the red dwarf star K2-3, and the outermost of three such...
    12 KB (958 words) - 09:46, 30 June 2024
  • Thumbnail for LHS 1140 b
    previous estimates. This would make LHS 1140 b an ocean world or dense mini-Neptune rather than a terrestrial planet. The orbit of LHS 1140 b takes 24.737...
    15 KB (1,630 words) - 03:44, 29 July 2024
  • Thumbnail for Hot Neptune
    star Mini-Neptune – Planet smaller than Neptune with a gas atmosphere Neptunian desert – Stellar region without planets equivalent to or above Neptune Ocean...
    10 KB (852 words) - 02:26, 24 May 2024
  • discovery of six sub-Neptune exoplanets orbiting the star HD 110067, with radii ranging from 1.94 R🜨 to 2.85 R🜨. Super-Earth Mini-Neptune Mega-Earth The nature...
    4 KB (394 words) - 18:39, 19 May 2024
  • b (also EPIC 211579112.01) is a potentially habitable Super-Earth or Mini-Neptune exoplanet with a radius of 2.2 earths. It is in the empirical habitable...
    7 KB (817 words) - 18:06, 12 March 2024
  • Thumbnail for List of potentially habitable exoplanets
    Constraints on the LHS 1140 Planets -- LHS 1140 b is Either a Temperate Mini-Neptune or a Water World". The Astrophysical Journal Letters. 960 (1): L3. arXiv:2310...
    57 KB (3,076 words) - 17:04, 29 July 2024
  • remnant hydrogen atmosphere, or a hot planet with a steam atmosphere, or a mini-Neptune with a hydrogen–helium atmosphere. Another possibility for a low-mass...
    56 KB (6,472 words) - 20:58, 17 July 2024
  • Thumbnail for Alpha Centauri
    The existence of Proxima c, a mini-Neptune 1.5 AU away discovered in 2019, is controversial. α Centauri A may have a Neptune-sized planet in the habitable...
    119 KB (11,276 words) - 19:16, 28 July 2024