Mar 1, 2023 · Have you ever wondered how aurora colors work and why sometimes the aurora is just green or red, while other times it is a whole rainbow of hues? The short answer is that nitrogen and oxygen in the upper atmosphere release light in specific colors in response to solar radiation. Here’s a closer look at the process and the resulting aurora colors.

Oct 26, 2021 · The observations of the colors of the aurora, either in a broader sense by looking at the overall color balance, or by detailed spectroscopic methods, can teach us much about the physical processes that cause aurora and the effects that aurora has on the upper atmosphere.

May 13, 2024 · Last week, a huge solar flare sent a wave of energetic particles from the sun surging out through space. Over the weekend, the wave reached Earth, and people around the world enjoyed the sight of...

May 13, 2024 · When the aurora is bright enough, the colours are clearly visible to the naked eye. Read more: What are auroras, and why do they come in different shapes and colours? Two experts explain

Nov 20, 2024 · Here we learn what causes the different colors in the aurora borealis (northern lights) and the aurora australis (southern lights).

Aurora Misconceptions: Rainbows & Aurora Overview: Students learn scientists once believed rainbows and the aurora were created in the same way. In 1868, Anders Jonas Angstrom used a prism to prove the theory wrong. He discovered that rainbows are created by bent or refracted sunlight and the aurora is created by different

May 14, 2024 · Last week, a huge solar flare sent a wave of energetic particles from the Sun surging out through space. Over the weekend, the wave reached Earth, and people around the world enjoyed the sight of unusually vivid aurora in both hemispheres.

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Feb 6, 2025 · As we head into a year expected to bring the best northern lights in two decades, we consider the science behind auroras and why they are suddenly so plentiful—even in places that hardly qualify...

Mar 29, 2023 · Over millennia, humans have observed and been inspired by beautiful displays of light bands dancing across dark night skies. Today, we call these lights the aurora: the aurora borealis in the...