auroral region

auroral region

[ə′rȯr·əl ¦rē·jən]
(geophysics)
The region within 30° geomagnetic latitude of each auroral pole.
References in periodicals archive ?
Cassini encountered the auroral region at a distance of 247 millionilometers from Saturn's cloud tops (about 4 times Saturn's radius).
6-hour component originates from the northern auroral region.
The constellation formation will allow the three spacecraft to be positioned simultaneously within a single "current sheet" within the Earth's auroral region.
Known as electrojets, these high-speed winds may explain how energy from the auroral regions spreads around the planet.
Time-lapse images taken by the Hubble Space Telescope's imaging spectrograph reveal that within the auroral regions, "flares come up for 10 seconds and become as bright as anything else and then go away to almost nothing," Clarke told SCIENCE NEWS.