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5.43 km per second.
What else can I help you with?
Where in our solar system are the planets which orbit fastest?
The closer planets are to the Sun the faster their orbit speed
What is the third planet closest to Earth?
The distances vary as the planets orbit the Sun. On average, the answer is Mercury.
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
Why mars need to move very fast?
Mars moves at almost the same speed as it did a million years ago, a very average speed for planets in the solar system, which keeps it nicely in its orbit.
Which of the following planets revolves around the sun with the greatest speed?
Mercury revolves around the sun with the greatest speed among the planets in our solar system. It completes an orbit around the sun in about 88 Earth days, traveling at an average speed of about 107,000 miles per hour.
Do stars orbit planets or planets orbit stars?
Planets orbit stars.
How does the radius of an orbit relate to the average speed of the orbiting body?
The radius of an orbit is directly related to the average speed of the orbiting body. As the radius of the orbit increases, the average speed of the orbiting body decreases. This is because at a larger distance from the center of mass, the gravitational force decreases, requiring a lower speed to maintain the orbit.
Do all the planets have smaller planets orbiting them?
No. Planets orbit suns, while moons orbit planets. Planets do not orbit planets.
Who of all the planets in our solar system has the fastest speed?
Of what? orbit: Mercury spin: Jupiter wind: Neptune
How fast does mercury travel in 3 hours?
It depends. Planetary orbits are eliptical and therefor the orbital speed varies. It would depend on the planets position in its orbit. However its average speed is 47.362 km/s
Why are the planets going in different speed?
The speed that an object travels in its orbit depends on its distance from the sun. That's how gravity works.
How are all of the planets kept in orbit around the sun?
all the planets stay in orbit around the sun because of the sun's gravitational pull. The high orbital speed that keeps the planets from falling all the way into the sun and since there is no friction in the vacuum of space , that speed dosen't slow down.
