Phenomenon
Fireball
An exceptionally bright meteor.
A meteor brighter than Venus (magnitude −4 or brighter), sometimes leaving a persistent train or making sonic booms.
Overview
A meteor brighter than Venus (magnitude −4 or brighter), sometimes leaving a persistent train or making sonic booms.
See also
Hypernova
An exceptionally energetic supernova.
Gravitational Microlensing
A foreground object briefly brightening a star.
X-ray Transient
An X-ray source that brightens for days to months.
Optical Transient
Any short-lived brightening in visible light.
Solar Eclipse
When the Moon stands between Earth and Sun.
Lunar Eclipse
When Earth's shadow falls on the Moon.