Sub-Neptune
Sub-Neptune
Planet smaller than Neptune with a low density envelope.
No account needed. By playing, you confirm you're 13 or older and agree to the Terms of use.
No owners yet
Category: Empty
- 0 owners
- 0 copies
- 0 pulls
- Wishlisted
- 0
- In 0 albums
- On 0 showcases
- Market listings
- 0
Not sold on the market yet.
Readers' pathsAug 2026 – Oct 2026
Readers go next to
Share of the 4,511 clicks on its links
Small planet radius gap
Scarcity of planets between 1.5 times and twice Earth's radius.
18%
Super-Earth
Type of exoplanet larger than Earth.
13%
Neptune
Eighth planet from the Sun.
10%
Ocean world
Planet containing a significant amount of water or other liquid.
5.9%
Mega-Earth
Supermassive terrestrial planet.
5.7%
K2-18b
Sub-Neptune orbiting the red dwarf K2-18.
5.4%
Steam world
Exoplanet with atmosphere made mostly of hot water vapor.
5.2%
GJ 1214 b
Sub-Neptune orbiting GJ 1214.
5.1%
Super-Neptune
Planet larger than Neptune but smaller than Saturn.
4.7%
K2-138
Star in the constellation Aquarius.
4.3%
Readers come from
Share of the 5,906 readers arriving from another article
K2-18b
Sub-Neptune orbiting the red dwarf K2-18.
18%
Planet Nine
Hypothetical Solar System planet.
14%
Super-Earth
Type of exoplanet larger than Earth.
13%
Proxima Centauri
Nearest star to the Solar System.
6.4%
Ice giant
Type of giant planet.
3.9%
Alpha Centauri
Star system in the Centaurus constellation.
3.9%
Gas giant
Giant planet mostly made of light elements.
3%
Hycean planet
Water-covered planet with a hydrogen-rich atmosphere.
2.5%
Chthonian planet
Gas giants with their atmospheric layers stripped.
2.1%
LHS 1140 b
Super-Earth orbiting LHS 1140.
1.7%