Auroras
Meaning
of Aurora
Source: Webster's dictionaryExamples
Aboriginal people in southwest Queensland believed the auroras to be the fires of the "Oola Pikka", ghostly spirits who spoke to the people through auroras.
Classification Powerful X-class flares create radiation storms that produce auroras and can give airline passengers flying over the poles small radiation doses.
Auroras and the ionosphere Bright auroras are generally associated with Birkeland currents (Schield et al., 1969; citation Zmuda and Armstrong, 1973 citation ), which flow down into the ionosphere on one side of the pole and out on the other.
Electrons mainly responsible for diffuse and pulsating auroras have, in contrast, a smoothly falling energy distribution, and an angular (pitch-angle) distribution favouring directions perpendicular to the local magnetic field.
From here you can also see the auroras ( northern lights ). navbox Taiga Taiga - the most extensive natural area of Russia - stretches from the western borders of Russia to the Pacific.
Auroral events of historical significance The auroras that resulted from the " great geomagnetic storm " on both 28 August and 2 September 1859 are thought to be the most spectacular in recent recorded history.