You searched for: “flare
flare
A sudden, transitory burst of activity in the sun's atmosphere involving the release of radiation and high-energy particles.

The origin of flares is uncertain, although they seem to be related to areas of high magnetic field.

This entry is located in the following unit: Astronomy and related astronomical terms (page 11)
Word Entries containing the term: “flare
flare star
A star whose brightness can increase by as much as two to 100 times in a matter of minutes, then return to normal.
This entry is located in the following unit: Astronomy and related astronomical terms (page 11)