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Gravity and velocity (or inertia), and they aren't things. They're forces.

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16y ago

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What two things keep the planets in their orbit?

gravity&inertia


What are two things that work together keeping planets in their orbits around the sun?

Gravity and the laws of motion, specifically Newton's laws of motion, work together to keep planets in their orbits around the sun. Gravity from the sun pulls the planets towards it, while the inertia of the planets moving in a straight line causes them to travel in an elliptical orbit around the sun.


Why do the 8 planets keep orbiting the sun?

The 8 planets continue to orbit the sun due to a balance between the sun's gravitational pull and the planets' forward motion, which creates an elliptical orbit. This balance allows the planets to constantly move around the sun in a stable manner.


What two things keep the planets in orbit?

The gravitational force from the Sun keeps planets in orbit around it. Additionally, the forward motion of the planets balances the pull of gravity, preventing them from falling into the Sun.


What helps keep the planets orbiting the sun?

The planets orbit the sun due to gravitational attraction. The sun's massive gravity pulls the planets towards it, while the planets' tangential velocity allows them to move in a circular or elliptical orbit around the sun. It's essentially a balance between the inward force of gravity and the outward force of the planets' momentum.


Why don't planets bump into each other?

because the gravatational pull from the sun and other planets keep the planets going in a circler motion and not bumping into each other.Answerbecause the gravatational pull from the sun and other planets keep the planets going in a circler motion and not bumping into each other. the planets each have defined Elliptical, not circular, orbits that remain constant because of gravitational pull of the sun and from each other. Pluto does have such an elliptical orbit that for a time it was closer than Neptune, but they will never collide with their current paths.


What two forces work together to keep the planets in orbit around the sun?

The two forces that work together to keep the planets in orbit around the sun are gravity and inertia.


Do the stars orbit the planets or do planets orbit stars?

Moons orbit planets. Planets orbit stars. Some stars orbit other stars, or orbit their mutual center of gravity. Stars orbit the center of the galaxy. Galaxies may orbit the center of the "galactic group".


How does the grivity effect the planets and moons?

Gravity helps to keep the planets in orbit. It also helps to keep the moon's close to the planets.


What factors keep the planets in orbit?

Gravity and inertia


Why do planets are always in orbit?

to keep gravity going


Why is the motion of a planet compared to the motion of a comet?

Both planets and comets in our Solar system share the same thing. The fact that they orbit Sol our local star. The planets orbit in a regular timely fashion in elliptical orbits that keep them about the same distance from the sun all the time. A comet has an elliptical orbit that takes it way out in our system and then it falls back in and comes close to the sun before heading back out again.