Phenomenon
Impact Cratering
Craters carved by colliding bodies.
The formation of craters by hypervelocity impacts of asteroids and comets — the dominant landform on most rocky and icy worlds.
Overview
The formation of craters by hypervelocity impacts of asteroids and comets — the dominant landform on most rocky and icy worlds.
See also
Gap in Disc
A clearing in a protoplanetary disc carved by a planet.
Solar Eclipse
When the Moon stands between Earth and Sun.
Lunar Eclipse
When Earth's shadow falls on the Moon.
Meteor Showers
Cosmic dust burning in our atmosphere.
Aurora (Northern/Southern Lights)
Solar wind painting the upper atmosphere.
Supernova
The catastrophic death of a massive star.