Phenomenon
Volcanism
Eruption of molten rock through a planet's crust.
The full set of processes by which magma rises and erupts onto a planet's surface — common on Earth, Venus, and (most intensely) Io.
Overview
The full set of processes by which magma rises and erupts onto a planet's surface — common on Earth, Venus, and (most intensely) Io.
See also
Tectonic Activity
Movement and deformation of a planet's crust.
Stellar Flare
A sudden magnetic eruption on a star.
Elongation
An inner planet's angular distance from the Sun.
Axial Precession
The slow wobble of a planet's rotation axis.
Interstellar Shock Wave
A supersonic compression sweeping through the ISM.
Anti-greenhouse Effect
Atmospheric haze cooling a planet's surface.