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Encyclopediaterrestrial planetterrestrial planet, the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth, Mercury, Venus, and Mars. These planets are approximately the same size, with the earth the largest. They are considerably denser than the Jovian planets, ranging from a specific gravity of 4 for Mars to 5.5 for the earth. Because they spin less rapidly than the Jovian planets, the terrestrial planets are less flattened at their poles. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on terrestrial planet from Infoplease:
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- planet: Classification of the Major Planets - Classification of the Major Planets The major planets are classified either as inferior, with an ...
- 1997 Medal of Science Recipients - 1997 Medal of Science Recipients William K. Estes, Emeritus Professor of Psychology at Harvard ...
- solar system: The Planets - The Planets In order of increasing average distance from the sun, the planets are Mercury, Venus, ...
- 1997 Medal of Science Recipients - 1997 Medal of Science Recipients William K. Estes, Emeritus Professor of Psychology at Harvard ...
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