Neptunian

Neptunians are about the same size as Neptune or Uranus in our solar system. They have a variety of internal compositions, but all have an outer atmosphere made up mostly of hydrogen and helium and a rocky core.

AU Microscopii b

A young planet blasted by its angry young star.

AU Microscopii c

A Neptune-like gas giant planet.

GJ 15 A c

Part of the closest planetary system to Earth.

GJ 436 b

A close exoplanet with a secret: a lack of methane on this hot world.

Kepler-36 c

A Neptune-like gas giant planet.