Phenomenon
Tidal Locking
When a body always shows the same face to its partner.
Synchronous rotation produced by tidal friction — the Moon is tidally locked to Earth, always showing us the same hemisphere.
Overview
Synchronous rotation produced by tidal friction — the Moon is tidally locked to Earth, always showing us the same hemisphere.
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.