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Related to auroral: auroral oval
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Synonyms for auroral

characteristic of the dawn


References in periodicals archive ?
It is certainly true that this is an uncommon event at the latitude of the UK and most of Europe, but perhaps this is simply because auroral displays are difficult to see in the bright summer evenings when NLC appear.
This plasma torus can interact with Jupiter's magnetosphere, possibly affecting auroral activity there.
To trace auroral science through history is to observe man's development from a creature of ignorance and superstition to an analytical disciple of science and technology.
Historically, many Arctic peoples viewed the aurora borealis as a positive economic indicator: following an auroral night, the next day's hunt would provide plentiful game or fish.
The agency recognized the company for "outstanding leadership and engineering innovation" in designing, constructing, and activating the Defense Department's High-Frequency Active Auroral Research Program (HAARP) instrument, a facility to study the upper atmosphere in Gakona, Alaska.
Juno's Jovian Infrared Auroral Mapper (JIRAM) camera acquired the view at wavelengths ranging from 3.
Astronomers have detected auroral emission on a star.
But from time to time, as happened earlier this month, we see huge spikes of solar and auroral activity.
Geomagnetically he is closer to the auroral zone than the United Kingdom and is much better placed to ob serve this phenomenon.
The auroral sounds that have been described in folktales and by wilderness wanderers are formed about 70 meters above the ground level in the measured case.
They believe this radiation is closely related to the soft radiation previously detected during rocket flights in the auroral zone.
Watching this auroral dance, one can sense the soft accompaniment of an unseen orchestra.
Deer describes it as an area of the sky where auroral activity blankets the sky in a green glow, yet there appears black ribbons interspersed.
Defense Department's High Frequency Active Auroral Research Program (HAARP) research station, BAE Systems designed and built the facility, operating software, and controls under a series of contracts valued at more than $250 million from the Office of Naval Research.
JIRAM (Jovian InfraRed Auroral Mapper) will photograph Jupiter and analyse the images to understand the planets formation, evolution and structure