What is the approximate percentage of the Earth that is illuminated by the sun at any given time?
Earth is the third planet that orbits around the sun in the solar system. The orbit is slightly elliptical which means sometimes the earth is closer to the sun and sometimes further. The earth is also tilted at an angle, which is the main cause of seasons.
Answer and Explanation:
The earth is roughly spherical shape like a ball, and the sun is far away enough that no light would be blocked by the earth's curvature, therefore...
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from Geography: Middle SchoolChapter 11 / Lesson 2