The gravity of the entire Milky Way galaxy causes all the stars to orbit the center of the galaxy. Our Sun, with the whole solar system, takes about 220 million years to make one complete orbit.
It keeps them in orbit
It keeps them in orbit around it.
Each planet stays in its orbit because it is being pulled constantly by the Sun's gravity. The planet does not fall into the Sun because it has a velocity taking it along its orbit, so the effect of gravity is only to make the planet's path curve towards the Sun all the time.
Asteroids orbit the sun. Moons orbit planets and planets orbit the sun. So you could say the moons orbit the sun. However, moons are kept in their orbits by the gravity of their planet and planets are kept in orbit by the gravity of the sun. So in that sense, moons do not orbit the sun.
Gravity is completely responsible for planetary motion. The shape and size of each orbit, and the speed of the planet at every point in its orbit, taken along with the mass of the sun, are completely determined by the behavior of gravity.
why do the PLANETS orbit the sun? Because of gravity, the sun has loads of gravity so it holds all the planets in space.
That's what's responsible for their staying in orbit, and not flying off.
Yes. It keeps the planets in orbit around the Sun.
The pull of the Sun's gravity is needed to hold the Earth in orbit.
Gravity
gravity
Through the Sun's gravity.