History of the Earth 1.3 The giant impact hypothesis en.wikipedia.org one-third the age of the universe history of the Earth history of the Earth history of the Earth proto-Earth Earth's history 3.1.1 Cambrian explosion Earth's history Earth history history of the Earth proto-Earth proto-Earth Earth's history 1.2 Origin of the Earth's core and first atmosphere History of the Earth History of the Earth History of the Earth history of the Earth proto-Earth http://en.wikipedia.org/wiki/History_of_the_Earth history of the Earth proto-Earth history of Earth History of the Earth one-third the age of the universe proto-Earth proto-Earth History of the Earth History of the Earth - Wikipedia, the free encyclopedia Earth’s history Earth's history proto-Earth Earth was formed 4.6 billion years ago History of Earth - Wikipedia History of the Earth had already seen worse Engelse Wikipedia [nb 1] http://en.wikipedia.org/wiki/History_of_the_Earth#Oceans_... Wikipedia history of the Earth history of Earth History of the Earth proto-Earth History of the Earth proto-Earth proto-Earth http://en.wikipedia.org/wiki/History_of_the_Earth Earth was formed 4.6 billion years ago history of the Earth History of the Earth History of the Earth proto-Earth proto-Earth proto-Earth proto-Earth History of the Earth http://en.wikipedia.org/wiki/History_of_the_Earth proto-Earth proto-Earth 5.2 Literature 2.3 Proterozoic development of life 5.1 References proto-Earth 3.3.3 Recent events http://en.wikipedia.org/wiki/History_of_the_Earth proto-Earth history of the Earth history of the Earth 2 Proterozoic eon 3.1 Paleozoic era had already seen worse history of the Earth 4.5 billion years proto-Earth History of Earth - Wikipedia history of the Earth proto-Earth 1.1 Origin of the solar system 2.5 Late Proterozoic climate and life 5.3 External links proto-Earth proto-Earth history of the Earth Wikipedia : History of Earth en.wikipedia.org Earth's history newly formed history of the Earth history http://en.wikipedia.org/wiki/History_of_the_Earth History of the Earth http://en.wikipedia....ry_of_the_Earth history of the Earth http://en.wikipedia.org/wiki/History_of_the_Earth proto-Earth Earth Formation history http://en.wikipedia.org/wiki/History_of_the_Earth proto-Earth History of the Earth History of the Earth history of the Earth proto-Earth my best http://en.wikipedia....ry_of_the_Earth History of the Earth proto-Earth en.wikipedia.org had already seen worse en.wikipedia.org history of the Earth Earth’s history history of the Earth Oceans history of the Earth History of the Earth Earth proto-Earth http://en.wikipedia.org/wiki/History_of_the_Earth accretion was essentially formed history of the Earth http://en.wikipedia....irst_atmosphere http://en.wikipedia.org/wiki/History_of_the_Earth Civilizations History of Earth en:History of the Earth Earth’s history 2.1 The oxygen revolution [nb 2] proto-Earth 4 See also our planet in its earliest history proto-Earth 2.2 Snowball Earth and the origin of the ozone layer there’d be no oxygen-rich atmosphere 2.4 Supercontinents in the Proterozoic era history of the Earth 3.3.2 Civilization proto-Earth 1.6 Origin of life history of the earth 1.5 The first continents hide proto-Earth History of the Earth 3.3.1 Human evolution 3.3 Cenozoic era (Recent life) 3.1.2 Paleozoic tectonics, paleogeography and climate proto-Earth History of the Earth 3 Phanerozoic eon 5 Notes 3.2 Mesozoic era proto-Earth [nb 1] en.wikipedia.org... proto-Earth 3.1.3 Colonization of land history of the Earth history of the Earth from Wikipedia 1.4 Origin of the oceans and atmosphere History of the Earth 1 Hadean and Archaean eons