gravity
Gravity
Gravity, inertia, and gravitational force.
The question probably means "What keeps the planets in orbit around the Sun?" The answer to that is : The Sun's gravitational attraction provides the force needed to keep the planets in orbit. This force doesn't pull the planets any closer to the Sun, but it stops the planets moving away (at a tangent to their orbits) due to their own velocities.
Gravity keeps the planets together
The planets are kept in orbit around the sun due to the gravitational force between them. This force, which is a balance between the planet's inertia and the sun's gravitational pull, keeps the planets moving in a stable path around the sun.
The gravitational force exerted by the Sun keeps all the planets in their orbits. This force balances the planets' tendency to move in a straight line and keeps them moving in elliptical orbits around the Sun.
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Gravity
Gravity.
Answer:because the sun is like a big ball of mass which means that the planets pull the mass from the sun which keeps the planets in their rotation but if there was not mass then all the planets would go on a straight line.
The gravity of there star keeps them on path and a planets moon is sun around by its planets gravitational force
The main force that keeps planets in orbit around the Sun is gravity. The gravitational pull from the Sun keeps the planets moving in their elliptical paths. This force of gravity is what maintains the balance needed for a planet to stay in orbit.