Extraterrestrial Life/Glossary/A through M

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F[edit | edit source]

Flare star[edit | edit source]

A dwarf star that releases radiation in short, irregular busts. Such behavior is believed to be due to internal flares.

G[edit | edit source]

Greenhouse effect[edit | edit source]

The trapping of the energy from a star within a planet that causes it to heat up.