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Whether or not you've seen them in Alaska or Greenland, the spectacular aurora borealis — or, the northern lights — are a mystical, fascinating sight. The science behind how the northern ...
BOSTON - The northern lights have put on a show in 2024. In May, the strongest solar storm in 21 years set off the aurora borealis and on Thursday night, the stunning colors were visible once ...
Video (04:49) – Aurora Borealis – How The Northern Lights Are Created (video on YouTube) Video (47:40) – Northern Lights – Documentary; Video (5:00) – Northern lights video in real time; Video (01:42) – Northern Light – Story of Geomagnetic Storm (Terschelling Island – 6/7 April 2000) (archived 17 August 2011)
This is because long-wavelength (red) light is scattered less than blue light. The red light reaches the observer's eye, whereas the blue light is scattered out of the line of sight. Other colours in the sky, such as glowing skies at dusk and dawn. These are from additional particulate matter in the sky that scatter different colors at ...
Such a storm increases the chance of auroras — also known as northern lights — and can temporarily disrupt power and radio signals. NOAA's Friday forecast shows continued higher-than-normal activity, but the chances for another overnight show are slim farther south of Canada and the northern Plains states. What causes northern lights?
Whether or not you've seen them in Alaska or Greenland, the spectacular aurora borealis — or, the northern lights — are a mystical, fascinating sight.
Purple and blue are related to nitrogen, with purple lights appearing higher than 60 miles above the ground while blue hues glow below this threshold. Green, red and purple aurora over Mefjord in ...
[b] Thus, in the Hessdalen lights plasma, the nitrogen ions will decompose (N + 2 + e − → N + N*) more rapidly than oxygen ions. Only ionic species are transported by ion acoustic waves. Therefore, oxygen ions will dominate in the ejected green light balls in Hessdalen lights, presenting a negative band of O + 2 with electronic transition b ...