What is an orbit?
This article is for kids K-4. More at XploreWithSid.com
An orbit is a path. It's the way something goes around an object in space. The moon is an Example of an orbit. It orbits around the earth. You're in orbit right now! The reason is, the Earth is right now roaming around the sun. Also known as orbiting around the sun. What thing that orbits the earth is the International Space Center. An object that is orbiting something is called a satellite Earth is a satellite of the sun. Planets, comets, asteroids and other objects orbit the sun. All the planets except Mercury and Venus have moons that orbit them.
What Shape Is an Orbit?
an orbit is usually a curved path that goes around a thing in space. Sometimes it isn't a circle and a oval. But there is no chance of it being a straight
How Do Objects Stay in Orbit?
A moving object will continue moving unless something pushes or pulls on it. This statement is called Newton's first law of motion. Without gravity, a satellite would fly off into space. With gravity, a The satellite is constantly pulled back toward Earth. This tug-of-war keeps the satellite in orbit.
Height is how far up something is. Objects at different heights move at different speeds in orbit. The space station is about 200 miles above Earth. At that height, the station must move about 17,500 miles per hour. It takes the space station about 90 minutes to go around Earth. The moon is much higher, about 250,000 miles from Earth. It takes the moon about 28 days to orbit Earth, going about 2,200 miles per hour. Earth takes a year to orbit the sun. Pluto takes about 248 Earth years.
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