Earth as a Planet
Earth has been referred by several names as Tellus (the Roman goddess of Earth and a symbol of fertility), Gaia (ancient Greek Earth goddess) and Terra, from the Latin meaning Earth. Earth is the third planet of our Solar System and is placed at a distance of about 150 million km from the Sun. The mean distance between Earth and Sun is used to measure distances within our Solar System. This is called an Astronomical Unit (AU). Detailed statistics of the earth are given in Tables 2.3, 2.5, and 2.6 (see Chap. 2).
KeywordsSolar System International Space Station Ordinary Chondrite Asteroid Belt Cosmic Body
- Clarke FW, Washington HS (1924) The composition of the Earth’s crust. US Geol Surv Prof Pap 127:1–117Google Scholar
- Condie KC (1997) Plate Tectonics and Crustal Evolution. Butterworth-Heinemann, OxfordGoogle Scholar
- Taylor SR, McLennan SM (1985) The Continental crust: its composition and evolution. Blackwell, OxfordGoogle Scholar
- Windley BF (1995) The evolving continents, 3rd edn. John Wiley and Sons, New YorkGoogle Scholar