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The planets maintain their orbit around the sun because of the gravitational attraction between the sun and the planet. All massive objects have an attraction to each other (the force is proportional to the product of the two masses divided by the square of the distance between them).
Planets in orbit are in balance between the law of momentum which makes them tend to go in straight line and the gravitational law which makes then tend to accelerate into the sun.
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Do planets revolve around the sun at the same speed?
No, planets do not revolve around the sun at the same speed. Their orbital speeds depend on their distance from the sun - planets closer to the sun have shorter orbital periods and faster speeds, while those further away have longer orbital periods and slower speeds.
How many planets away is the moon from the earth?
The moon is Earth's closest neighbor in space and the only natural object to orbit it. Counting it in "planets away from Earth" does not make any sense as the planets revolve around the sun, not Earth.
Why do the outer planets revolve around the sun slower?
The outer planets revolve around the sun slower because they are farther away from the sun, which means they have a greater distance to travel in their orbits. According to Kepler's laws of planetary motion, planets that are farther from the sun have longer orbital periods.
Why do planets take different times to revolve around the sun?
The planets in our solar system all orbit (revolve) around the sun on a plane called the ecliptic plane but each of their individual orbits has a different perimeter ranging from small (which would be the closest to the sun) to big (which would be further away from the sun). Since Mercury has the smallest perimeter of orbit, it is the closest planet to the sun and is thus more drawn by the suns gravitational force, both its small perimeter and strong gravitational pull make it revolve around the sun faster, and the bigger the planets orbital perimeter is the further away from the sun it is and the slower its orbit is.
Why does it takes some planets only days to revolve around the sun and other planets more than one hundred years?
It takes longer because the planets are differant distances away from the sun, the greater the difference the longer it take
Do planets revolve around the sun at the same speed?
No, planets do not revolve around the sun at the same speed. Their orbital speeds depend on their distance from the sun - planets closer to the sun have shorter orbital periods and faster speeds, while those further away have longer orbital periods and slower speeds.
Why does moons orbit the planets?
because the planets' gravity pull them so that they do not go away and the moons revolve around them with a constant speed so they stay in their orbit
How do planets revolve around the sun in the same oval or circle shape every year?
Gravity from the sun pulls the planets near it and away from it ad away foer it
Why do some planets take longer to revolve?
Because they are farther away from the sun, and the sun is what they revolve around, so they have a longer distance to go. That obviously makes the day longer on that planet, along with all other time measurements. Some planets take longer to revolve because of their distance to the sun. The further a planet is, the more distance it has to cover and the weaker the sun's gravitational pull is. Planets farther away from the sun move more slowly, and have more distance to cover.
How many planets away is the moon from the earth?
The moon is Earth's closest neighbor in space and the only natural object to orbit it. Counting it in "planets away from Earth" does not make any sense as the planets revolve around the sun, not Earth.
Why do the outer planets revolve around the sun slower?
The outer planets revolve around the sun slower because they are farther away from the sun, which means they have a greater distance to travel in their orbits. According to Kepler's laws of planetary motion, planets that are farther from the sun have longer orbital periods.
Why do planets take different times to revolve around the sun?
The planets in our solar system all orbit (revolve) around the sun on a plane called the ecliptic plane but each of their individual orbits has a different perimeter ranging from small (which would be the closest to the sun) to big (which would be further away from the sun). Since Mercury has the smallest perimeter of orbit, it is the closest planet to the sun and is thus more drawn by the suns gravitational force, both its small perimeter and strong gravitational pull make it revolve around the sun faster, and the bigger the planets orbital perimeter is the further away from the sun it is and the slower its orbit is.
Why do planets stay in their orbit as they revolve around the sun?
The sun has such a strong gravitational field that it pulls the planets towards it with incredible power, however, the planets are moving at enormous speeds away from the sun. These two forces which are acting in a perpedicular angle create something we physist call an "orbit". The planets and moons which revolve around planets have this effect.
Why does it takes some planets only days to revolve around the sun and other planets more than one hundred years?
It takes longer because the planets are differant distances away from the sun, the greater the difference the longer it take
What caues planets to revolve around the sun?
The sun has a large mass of gravity. And the sun uses that gravity to keep us from flying away. Even though we try to, the sun keeps us in balance. All the movement on the planets move the planets farther away if we didn't have the suns gravity. And because there is no friction in space we keep on moving around very slow. But the farther away the planet is. The slower it goes around.
Is earth is revolving around the sun with a constant speed?
No, Earth does not revolve around the sun with a constant speed. Its orbit is elliptical, meaning that its speed varies depending on its distance from the sun; it moves faster when it is closer (perihelion) and slower when it is farther away (aphelion). This variation in speed is described by Kepler's laws of planetary motion.
Is all the stars in the sky planets?
No, they are very much like our own star which we call the sun. They are so far away that they do not provide us with light and heat like our own star, the sun. The only planets you can see from earth with the naked eye are our own planets which, like us, revolve around the sun.
