Is the average density of the terrestrial planets greater or less than the density of Earth’s crust?
Is the average density of the terrestrial planets greater or less than the density of Earth’s crust?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Is the average density of the terrestrial planets greater or less than the density of Earth’s crust?
Expert Solution
Introduction.
Density of a material is defined as its mass per unit volume of the material. The dimension of the planet determines its volume. The mass of the planet depends on its constituent elements. If the planet comprises massive or heavier elements, then the mass of the planet will be high. Else, if the planet's composition is of lighter elements, the planet will have lesser mass. Given the values of mass and volume of the planet, the density of the planet is determined. If the planet has a bigger dimension, its volume will be bigger, leading to lower density. In contrast, if the planet has a smaller dimension, its volume will be smaller, leading to higher density.
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