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- During sunrise or sunset, when the Sun is close to the horizon, the light must travel through more of the atmosphere than it does when the Sun is overhead. This results in more scattering of light, including longer wavelengths such as yellow, orange, and red, which creates colorful sunrise and sunset skies.
scied.ucar.edu/learning-zone/atmosphere/appearance-sky
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Earth At Night In Color is an American nature documentary television series created by Offspring Films and narrated by Tom Hiddleston. The series premiered on December 4, 2020 on Apple TV+ , with a second season premiering on April 16, 2021.
- Blue Skies?
- The Color of Dark Skies
- Yellow Light, Shooting Stars and Sharp Images
So first things first: when we see a blue sky on a sunny day, what are we seeing? Are we seeing blue nitrogen or blue oxygen? The simple answer is no. Instead the blue light we see is scattered sunlight. The Sun produces a broad spectrum of visible light, which we see as white but it includes all the colors of the rainbow. When sunlight passes thro...
If you look at the night sky, it is obviously dark, but it isn't perfectly black. Yes, there are the stars, but the night sky itself glows. This isn't light pollution, but the atmosphere glowing naturally. On a dark moonless night in the countryside, away from city lights, you can see the trees and hills silhouetted against the sky. This glow, call...
Sodium atoms make up a minuscule fraction of our atmosphere, but they make up a big part of airglow, and have a very unusual origin – shooting stars. You can see shooting stars on any clear dark night, if you're willing to wait. They are teensy tiny meteors, produced by grains of dust heating up and vaporizing in the upper atmosphere as they travel...
The part of the Earth facing the Sun is lit up, making it day time. As the Earth spins, the part facing away from the Sun moves out of shadow and into the light, changing from night to day.
- The view from orbiting the Earth. First, imagine blasting off and being about 200 miles (300 km) above Earth’s surface. That’s about the height of the orbit of the International Space Station (ISS).
- From the moon. Now, let’s get farther away, say, the distance of the orbit of the moon. As we pass the moon – some quarter million miles (about 380,000 km) away – Earth looks like a bright ball in space.
- Earth and moon together. Now, let’s keep moving outward until we can see both the Earth and moon together in space. Since 1977, many robot spacecraft have ventured outward into our solar system.
- From a sun-orbiting spacecraft.
Oct 9, 2009 · When you face into the shadow, it’s night. When Earth turns so that you again face the direction of the sun, it’s day. On any clear evening, you can see the curved line of Earth’s shadow ...
Sunlight travels as waves of energy, and different colors of light have different wavelengths. Red light has long wavelengths, while blue light has short wavelengths. Light bounces off of air molecules in the Earth's atmosphere, scattering in all directions.
Oct 22, 2021 · At night, when your side of Earth is facing away from the Sun, the only light that reaches you is from other stars. This starlight also scatters off molecules in the atmosphere, but as there’s...
