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Earth has an even greater density than Mercury. Presumably, planets a core of dense materials (for example, the density of iron is 8 times that of water), which compensates a lighter (less dense) crust.

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14y ago

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Is the average density of planet earth 5.5 times the density of water?

It is 5.497 grams per cubic cm.


Is the average density of the sun near that of iron?

No. The average density of the Sun (or any object, for that matter) is found by dividing its mass by its volume. When we do this, we find that the Sun's density is 1.41 grams per cubic centimeter (only 41% denser than water). Iron has a density of 7.874 grams per cubic centimeter. So iron is over five times denser than the Sun. It's important to understand, however, that 1.41 grams per cubic centimeter is only the AVERAGE density of the Sun. Its core is much denser than that, while its outer layers are much less dense.


Is it true the density of water is 1.36 times greater than the density of water?

No.


How a nail sink in a water but the ships float?

Iron (or steel) has about 8 times the density of water. Therefore, the nail will sink. The ship also has empty spaces, with air, inside - thus the average density is less than that of water.


What is styrofoam density compared to water?

The density of styrofoam is lower: about 0.028 to 0.045 times that of water.


What is the relationship between the density of water and the average density of Earth?

The density of water is lower than the average density of Earth. Earth's average density is higher due to the presence of heavier materials like iron and nickel in its core, while water is less dense because it is made up of lighter molecules like hydrogen and oxygen.


Is the Earth more dense than the water?

Yes, the Earth is more dense than water. The average density of the Earth is about 5,500 kg/m^3, while the density of water is about 1,000 kg/m^3. This difference in density is why solid objects sink when placed in water.


What is Saturn's average density lower than?

Saturn's average density is lower than that of water, which means it would float in water if a large enough container were available for it to be placed in.


Is it true the density of mercury is 1.36 times greater than density of water?

No.


Why cant the same planet have lots of mass and density?

We think it can. The earth's average density is more than 5.5 times the density of water, which we think qualifies as "lots of density". Also, the earth has a mass of 5,970,000,000,000,000,000,000,000 kilograms, which we really think is lots of mass.


What is the minimal information you need to decide will float in the water?

Average density of the object compare to density of water. If denser than water, it will sink.


Which planets in the solar system have an average density less than that of water?

It is said that if you could find an ocean on Earth large enough to accommodate it, Saturn would float. That is, Saturn's average density is less than the density of water. Turns out it's the only planet with an average density less than 1.000, that is, less than the density of water.