Phenomenon
Gegenschein
A faint glow opposite the Sun.
A diffuse patch of light caused by sunlight backscattered from interplanetary dust at the anti-solar point. Requires a very dark sky.
Overview
A diffuse patch of light caused by sunlight backscattered from interplanetary dust at the anti-solar point. Requires a very dark sky.
See also
Zodiacal Light
A faint cone of light along the ecliptic.
Opposition
When a planet sits opposite the Sun in our sky.
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.