Topic

atmosphere

4 articles matching this topic.

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Night sky with bright twinkling stars over a dark landscape

Space & Atmosphere

Why Do Stars Twinkle?

Stars do not actually flicker. Earth's atmosphere bends their light in constantly shifting ways, creating the twinkling effect. Planets do not twinkle for a specific reason.

starsatmosphere

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Vivid red and orange sunset over a flat horizon

Space & Atmosphere

Why Are Sunsets Red?

Sunsets are red because sunlight travels through far more atmosphere at a low angle, scattering away blue light and leaving only red and orange to reach your eyes.

sunsetlight

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Clear blue sky with sunlight scattering through the atmosphere

Light & Atmosphere

Why Is the Sky Blue?

The sky is blue because blue light scatters off air molecules more strongly than red light, filling the daytime sky with scattered blue wavelengths.

skylight

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Editorial illustration of swirling visible air currents around a person walking

WHAT IF

What If Air Was Visible?

airphysics

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