Difference between revisions of "Terrestrial Planet"
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| − | A '''Terrestrial Planet''' is a planet with a compact, rocky surface, like the Earth's, and a density greater than 3 grams per cubic cm.<ref> | + | A '''Terrestrial Planet''' is a planet with a compact, rocky surface, like the Earth's, and a density greater than 3 grams per cubic cm.<ref>https://www.britannica.com/EBchecked/topic/553008/solar-system/242057/Planets-and-their-moons#ref515542</ref> By comparison, water has a density of 1 gram per cubic cm. They are composed primarily of rock and metal, have a slow rate of rotation, no rings and few satellites.<ref>http://www.nineplanets.org/overview.html</ref> |
Within our [[Solar System]] the four innermost planets, [[Mercury]], [[Venus]], [[Earth]] and [[Mars]] are all terrestrial planets. | Within our [[Solar System]] the four innermost planets, [[Mercury]], [[Venus]], [[Earth]] and [[Mars]] are all terrestrial planets. | ||
Latest revision as of 20:40, September 26, 2018
A Terrestrial Planet is a planet with a compact, rocky surface, like the Earth's, and a density greater than 3 grams per cubic cm.[1] By comparison, water has a density of 1 gram per cubic cm. They are composed primarily of rock and metal, have a slow rate of rotation, no rings and few satellites.[2]
Within our Solar System the four innermost planets, Mercury, Venus, Earth and Mars are all terrestrial planets.
