Phenomenon
Geodetic Precession
Gyroscopic axes tilting in curved spacetime.
The precession of a gyroscope's axis as it moves through curved spacetime — measured precisely by Gravity Probe B around Earth.
Overview
The precession of a gyroscope's axis as it moves through curved spacetime — measured precisely by Gravity Probe B around Earth.
See also
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.
Planetary Conjunction
When two worlds appear to meet in the sky.