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en.wikipedia.org/wiki/Structure_of_the_Earth

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

en.wikipedia.org/wiki/Atmosphere_of_Earth

The average mass of the atmosphere is about 5 quadrillion (5×1015) tonnes or 1/ 1,200,000 the mass of Earth. According to ...

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

Dec 24, 2015 ... 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, hence an ...

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

Ask GeoMan... How have scientists discovered the density of the earth? Unfortunately, this is not a value which can be measured directly (such as the density of ...

podcast.sjrdesign.net/files/008_massdensitycalculation.pdf

CALCULATING THE MASS AND DENSITY OF EARTH. Kepler's Third Law ( Newton's Form):. P. 2 a. 3. = 4π. 2. MG. The period of the moon's orbit is 27.32 days, ...

jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry57.html

Ask GeoMan... What is the best estimate of the densities of the various layers of the Earth? Estimates vary, but some approximate values should be as follows (in  ...

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 ...

www.space.com/17638-how-big-is-earth.html

Sep 17, 2012 ... Earth's density is 5.513 grams per cubic centimeter. Earth is the densest planet in the solar system because of its metallic core and rocky mantle ...