In this activity, students observe how the Moon appears to move across the sky each hour, as well as over several days. They discuss how both...
An artificial satellite is an object that people have made and launched into orbit using rockets. There are currently over 3,000 active satellites orbiting the Earth....
A satellite is anything that orbits around a larger object. A natural satellite is any celestial body in space that orbits around a larger body. Moons...
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