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en.wikipedia.org/wiki/Structure_of_the_Earth

The interior structure of the Earth is layered in spherical shells. These layers can be defined by ... Earth's average density can be determined through gravitometric experiments, which have historically involved pendulums. The mass of Earth is ...

www.universetoday.com/26771/density-of-the-earth

Mar 10, 2009 ... [/caption] The density of the Earth is 5.513 g/cm3. This is an average of all of the material on the planet. Water is much less dense than iron, ...

nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html

Dec 23, 2016 ... Re denotes Earth model radius, here defined to be 6,378 km ... Surface pressure: 1014 mb Surface density: 1.217 kg/m3 Scale height: 8.5 km ...

jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry56.html

The overall density of the earth is actually fairly easy to calculate: if density equals mass divided by volume, and we can find the mass and volume of the earth, ...

www.quora.com/What-is-the-average-density-of-the-Earth

The average density of the earth is, of course, the ratio of its mass to its volume. The mass of the Earth is about 5.97x10^24 kg. Although the earth is not perfectly  ...

hypertextbook.com/facts/2000/KatherineMalfucci.shtml

"They divide the mass of the Earth by the volume, which gives the average density of the material in the earth as 3.2 ounces per cubic inch (5.5 g/cm3)." 5.5 g/cm ...

planetfacts.org/density-and-mass-of-earth

The planet which closely resembles the Earth in its mass, density and volume is Venus. Mercury has almost the same density as earth but is relatively smaller in ...

hyperphysics.phy-astr.gsu.edu/hbase/Geophys/earthstruct.html

The habitable part of the Earth is a very thin layer. ... Modeling the density of the center of the Earth yields densities of about 14 times that of water, which could ...

ircamera.as.arizona.edu/NatSci102/NatSci102/lectures/earth.htm

Average density of the earth: 5.52 grams/cm3. The surface rocks have much lower density, about 3.3 grams/cm3, so the interior must have much more dense  ...