Phenomenon
Axial Precession
The slow wobble of a planet's rotation axis.
Earth's axis traces a 26,000-year cone, slowly changing the pole star and shifting the equinoxes through the zodiac.
Overview
Earth's axis traces a 26,000-year cone, slowly changing the pole star and shifting the equinoxes through the zodiac.
See also
Elongation
An inner planet's angular distance from the Sun.
Libration
The Moon's gentle apparent wobble.
Nutation
A small nodding of Earth's spin axis.
Penrose Process
Stealing rotational energy from a spinning black hole.
Anti-greenhouse Effect
Atmospheric haze cooling a planet's surface.
Atmospheric Escape
Gas leaking from a planet's atmosphere into space.