The sun's gravitational pull keeps the earth in orbit around it.
the gravitational pull of the sun.
There is no gravity in space but the shuttle stays in orbit because of the Earths gravity and inertia. The inertia keeps it going in a circular motion. In space the Earth's gravity is strong enough to hold something in orbit but not strong enough to pull it to Earth's surface.
gravity pulls the earth into position so it doesn't move away and gravity is what holds us down onto the earth as well.
Because the moon moves with a certain speed in its orbit, that orbital motion produces a centrifugal force which opposes the attraction of gravity. The balance between gravity and centrifugal force keeps the moon in orbit. The moon continues to orbit at the speed it does, because of its inertia. Moving in the vacuum of space, the moon does not encounter resistance to its motion. There is, however, some energy lost as a result of tidal forces, and that will, over a very long period of time, eventually alter the moon's orbit.
The Earth's spin, or rotation on its axis gives us a day.
it makes one orbit
Gravity and Inertia keeps the earth in orbit
Gravity keeps things together here on Earth. It keeps the Earth together in the first place, and it keeps us on Earth. It keeps the Earth in orbit around the Sun, and it keeps the Moon in orbit around Earth.
gravity
the sun
earth's gravity
gravity and inertia combine to keep earth in orbit because the suns gravity keeps the earth in orbit and the inertia keeps the earth from going in a straight line.
The Sun
The Earth's gravity keeps the moon in orbit.
The earth is six times more massive than the moon. That keeps the moon in orbit around it, just as the mass of the sun keeps the earth in orbit around it.
its called gravity
The gravitational force.
The balance between the inertia of the Moon and the gravitational pull keeps the moon in orbit with Earth.