Phenomenon
Sunspot
A dark cool patch on the Sun's surface.
Regions of intense magnetic activity where convection is inhibited; cooler than the surrounding photosphere by about 1,500 K so they appear dark.
Overview
Regions of intense magnetic activity where convection is inhibited; cooler than the surrounding photosphere by about 1,500 K so they appear dark.
See also
Solar Prominence
An arc of cool plasma above the Sun's surface.
Anti-greenhouse Effect
Atmospheric haze cooling a planet's surface.
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.