They are held by the force of gravity, specifically the gravitational pull of the Sun. Just as gravity holds people to the Earth's surface, and the Earth holds space stations in orbit, so the Sun holds the planets in their orbits. The orbital velocity of the planets (momentum) keeps them from falling into the Sun, while the Sun keeps them from flying off into space. This combination of counteracting forces also keeps the Earth its current distance from the Sun. Mercury, closer to the Sun, travels more quickly to balance the stronger pull of the Sun.
The sun takes up to 99.9% of the solar systems mass.
So the sun causes us to stay afloat in space.
The orbits ...... also the sun.
The gravity from the sun is pulling us around because of its HUGE mass.
There are two factors that hold us in place. First is the gravity of the Sun which pulls us and the other planets towards the Sun. But this is counteracted by the speed of the planets which is trying to push us away form he Sun. When these two are equal and opposite, we will stay in orbit. If the Sun's gravity was less, we would take off into space. If it was more, we would get sucked into he Sun. If our speed was greater we would take off into space. If it was less, we would eventually crash into the Sun.
Gravity. The sun has over 1000 times the mass of all the other material in our solar system combined.
Gravity. The massive gravitational force exerted on the planets by the sun (and on the sun by the planets) holds them in an orbit around it.
The sun's gravitational pull
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gravity
Our solar system consists of the sun, the planets, their moons, and a variety of smaller objects. The sun is at the center of the solar system, with other orbiting around it. The force of gravity holds the solar system together.
Gravity keeps planets in orbit around the sun. If planets were not subject to the gravitational attraction of the sun, they would fly off into interstellar space. In addition, gravity is also what holds planets together. If there were no gravity, the planets, and the sun, would disintegrate under the force of their own spin. There would be nothing left of the solar system but an expanding cloud of gas and dust.
A combination of the bodies' inertia, and the Sun's gravitational attraction.
Gravity is the force that holds a planet in orbit around the sun. Inertia keeps the planets spinning.
It works by using the observations of the sun and other bodies orbiting the Earth, but along with the similar theory that the Earth rotates and revolves as well. This theory would thereby mean that the observations were not directly as seen (everything orbiting earth), but simply a perspective from the earth of all of the bodies orbiting around, in this case, the Sun. Heliocentricism was largely the theory of Copernicus, who was the major player to lead to further theories afterwards by other notable astronomers.
Gravity holds the planets in their orbit
Gravity
The planets are part of the makup of the solar system. I guess you could say the sun provides light for the planets and gravety that holds them to the solar system.
It is gravity that holds the planets in their orbits around the sun. Gravity is what gives "shape" to the solar system, to galaxies, and is the large-scale organizer of the universe as a whole.
Gravity from the Sun holds the planets in their orbits.
its the gravitatonal pull of the sun
My teacher Mrs. Black said before that it was gravity that holds the planets together in space.
the sun holds 98% of the solar system.
Our solar system consists of the sun, the planets, their moons, and a variety of smaller objects. The sun is at the center of the solar system, with other orbiting around it. The force of gravity holds the solar system together.
Our solar system consists of the sun, the planets, their moons, and a variety of smaller objects. The sun is at the center of the solar system, with other orbiting around it. The force of gravity holds the solar system together.
Because the mass of the planet holds it down.
Gravity keeps planets in orbit around the sun. If planets were not subject to the gravitational attraction of the sun, they would fly off into interstellar space. In addition, gravity is also what holds planets together. If there were no gravity, the planets, and the sun, would disintegrate under the force of their own spin. There would be nothing left of the solar system but an expanding cloud of gas and dust.