aurora

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Related to auroral: auroral oval
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While similar to the process that creates typical auroras, these electrons impact the atmosphere far south of usual auroral latitudes.
This observation campaign using Hubble meant the astronomers were able to gather an unprecedented record of the planet's auroral activity.
During these years there were few sunspots and no auroral displays at UK latitudes.
By the eighteenth century, there was a rise in auroral observations associated with the end of the "Maunder Minimum" period of decreased sunspot activity, and scientists began to engage with first-hand accounts of rare and anomalous auroral activity (such as the occurrence of sounds and smells) just as individual and national programmes of auroral observation in European latitudes commenced.
Y asi, esta escritora de auroral longevidad nos presenta una obra donde se recompone la insurgencia de America como otra natalidad mas de las Historias humanas, sin que por eso se renuncia a los destinos que se intentaron trazar en America desde la Conquista y la Colonia.
Historicamente, el primer mecanismo propuesto para explicar las tormentas ionosfericas ha sido el campo electrico generado en la zona auroral (Martyn, 1953), pero poco a poco se hizo hincapie en el papel de la circulacion del viento neutro termosferico, sugerido por Jones and Rishbeth (1971).
THEMIS will obtain the evidence needed to solve what principal investigator Vassilis Angelopoulos of the University of California at Berkeley's Space Sciences Laboratory (SSL), calls "a nagging question that the field has to resolve"--namely, competing theories about where auroral substorms originate in the magnetosphere.
The solar wind commonly generates up to 1000,000 megawatts of electricity in an auroral display.
1743, depicts our Italian military hero being introduced by Venus to Jupiter and Mars; all float together amid auroral light, puffy clouds, and cute putti.
Here's something fine." I ran out in auroral excitement, and sure enough here was another aurora, as novel and wonderful as the marching rainbow-colored columns--a glowing silver bow spanning the Muir Inlet in a magnificent arch right under the zenith, or a little to the south of it, the ends resting on the top of the mountain-walls.
The solar activity more responsible for causing auroral displays, however, are coronal mass ejections (CMEs)--puffs of solar plasma fired out from the sun at speeds of up to several million miles per hour that can grow to diameters of 30 million miles and more.