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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 ...
On January 25–26, 1938, the sky was lit up with an aurora borealis light storm, seen all across the world. The storm was identical to other storm-induced, low-latitude aurora borealis. The great aurora that was witnessed across Europe, the Americas, and Oceania had not been seen/documented in Europe since 1709, and in the Americas since 1888.
The blue sky spectrum contains light at all visible wavelengths with a broad maximum around 450–485 nm, the wavelengths of the color blue. Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by molecules or particulates in the atmosphere. It is also called sky radiation ...
It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...
Electrons can surf electromagnetic waves toward Earth, reaching speeds of up to 45 million miles per hour.
Millions were wowed last week when the Northern Lights, or Aurora Borealis, made a rare appearance as far south as the Gulf Coast.. Photos circulated on social media and elsewhere of the pink and ...
Sky brightness refers to the visual perception of the sky and how it scatters and diffuses light. The fact that the sky is not completely dark at night is easily visible. If light sources (e.g. the Moon and light pollution ) were removed from the night sky , only direct starlight would be visible.
Americans in at least 17 states will have a chance to see the northern lights Thursday night. The following continental U.S. states fall within aurora’s view line: Washington