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- The sky is what we call the appearance of a hemisphere over our heads. On a clear day it appears blue. The deepness of the blue increases as we look toward the horizon, and up to the point above us. The sky, which is made up of gas molecules, is blue because of the random scattering of sunlight by the molecules.
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Apr 8, 2021 · Curious Kids: What is the sky? The sky can be so many different things: it can be big, beautiful and blue, or grey, cloudy and rainy. It can also be full of stars, or full of orange and red...
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Jun 30, 2024 · The term is usually associated with skygazing and astronomy, with reference to views of celestial bodies such as stars, the Moon, and planets that become visible on a clear night after the Sun has set. Natural light sources in a night sky include moonlight, starlight, and airglow, depending on location and timing.
sky. the air or space above the earth which appears to arch over it. We saw a kite moving in the sky. (often plural) the way the air above looks with respect to the weather. We will have blue skies this week.
Jul 19, 2024 · Sky facts. The sky is the appearance of the atmosphere around the surface of the planet from our point of view. We see many objects that are actually in space such as the Sun, the Moon, and stars because they are in the sky. On a clear day the sky appears pink.
Fed by nutrients in the sea and powered by the sun, cyanobacteria exploded across the ocean, pumping more and more oxygen into Earth’s atmosphere. Slowly, over the next two billion years, oxygen in...
Dec 12, 2010 · Follow along with this short simple video about things we see in the sky. This video goes with ELF Learning's "Nature" theme. Each word is repeated twice, once with a picture and once with the...
- 2 min
- 753.2K
- ELF Kids Videos
Feb 11, 2021 · A star is a giant ball of hot, glowing gas. Stars are so massive that they would collapse under the pressure of gravity if not for the fact that their cores are fusion reactors that create a ...
- 6 min
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- Free School
