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A geomagnetic storm causes the auroral ovals (north and south) to expand, bringing the aurora to lower latitudes. On rare occasions, the aurora borealis can be seen as far south as the Mediterranean and the southern states of the US while the aurora australis can be seen as far north as New Caledonia and the Pilbara region in Western Australia.
The best aurora is usually within an hour or two of midnight (between 10 p.m. and 2 a.m. local time). These hours expand towards evening and morning as the level of geomagnetic activity increases.
Aurora borealis, often referred to as the northern lights, has been appearing more often and in a wider range of visibility as of late. In fact, during April 2023, vibrant auroras were seen as far ...
The aurora borealis was visible as far south as Florida on Thursday. Photos show the sky lit up in red and purple, even in some brightly-lit areas like New York City and Chicago .
A simple example of this is being able to see farther in heavy rain than in heavy fog. This process of reflection/absorption is what causes the range of cloud color from white to black. [19] Other colors occur naturally in clouds. Bluish-grey is the result of light scattering within the cloud.
These colors are produced when solar particles collide with nitrogen in Earth's atmosphere at an altitude of 60 miles or less. Yellow and pink auroras result from a mixture of red auroras with ...
A rare southern display of the aurora borealis or 'northern lights' colors the sky over a farm field just north of Stedman, North Carolina on the evening of Friday, May 10, 2024. The bright object ...
What causes aurora borealis? The northern lights were visible over Warren Wilson College on May 10, 2024, as captured in this photo by Jen Blake Fraser. For more: jenniferblakefraser.com and ...