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Use the formula to find the radius of a body from its gravitational acceleration and the gravitational constant (all bodies have gravity that is proportional to their mass).

See related links for a web page that will do the calculations for you.

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Q: How do you find the radius of a planet?
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Related questions

Which planet has the largest radius?

Jupiter is the largest planet and therefore has the largest radius. The radius of Jupiter is 43,441 miles (69,911 kilometers).


Which Planet has the Largest equatorial radius?

Jupiter is that planet.


What is the radius of planet Jupiter?

bob


What planet is the closest in size to the Moon?

Mercury. The average radius of the Moon is about 1700 km, which is about three-quarters the average radius of Mercury (around 2300 km).


What is the mass of the planet with the largest radius?

In our solar system, Jupiter is the planet with the largest radius of 71,492 km It has a mass of 1.8986×1027 kg


What is the radius of planet mars?

Mean radius = 3390 km Equatorial radius = 3396 km Polar radius = 3376 km.


What planet has the longest radius?

Jupiter has the largest diameter (the radius is half the diameter, of course).


What is the same size as the planet Mars?

With a radius of 3396km, the planet Mars is about the same size as the inner and outer core of the earth (which is around 3490km radius in total).


What does the gravitational field strength on a planet depend on?

It can be calculated on the basis of the planet's mass and its radius.


Planet mercury's size?

Its equatorial radius is 2439.7 kilometers. That is about 38% of Earth's equatorial radius.


If i wanted find out how big a planet is what word would i use?

In terms of the actual size of the planet, you would want to no its diameter. In some cases the size is given as the radius, which is simply half the diameter.


What is the radius in kilometers of planet Jupiter?

70,158 km