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Pink aurora is produced by nitrogen molecules, green and red aurora is produced by oxygen molecules, and blue and purple aurora is produced by hydrogen and helium molecules, at altitudes of 100 to 400 km. [23] Three CMEs from 8 May reached Earth on 10 May 2024, causing severe to extreme geomagnetic storms with bright and very long-lasting aurorae.
An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains ...
The green ovals turn red when the aurora is forecast to be more intense. A thin red 'viewline' represents the southern-most locations from which you may see the aurora on the northern horizon.
Aurora Australis, or the Southern Lights, is a natural light display caused by solar wind particles colliding with Earth’s magnetic field. This creates colorful lights in the sky, typically ...
Billions of these tiny flares occur in sequence, causing the lights to appear as if they are moving. The lights in the Northern hemisphere are called aurora borealis, or the northern lights. The lights in the Southern hemisphere are called aurora australis, or the southern lights. [3]
Aurora borealis, or the northern lights, are seen Oct. 10 in Oxford, Iowa. The auroras are a natural light display in Earth's sky that are famously best seen in high-latitude regions of the ...
Image credits: roksolyana_hilevych #7 “Devil’s Lights” – Forest Barkdoll-Weil. Wyoming, USA. "May 10, 2024: Aurora forecasts promised an incredible display, so I drove to Devils Tower ...
[10] Civil twilight happens when the Sun is between 0 and 6° below the horizon, so this phenomenon can also be referred to as civil polar night. Nowhere on mainland Europe is this definition met. The Norwegian town of Longyearbyen, Svalbard, experiences nautical polar twilight from about 11 November until 30 January.