History Of Earth

The history of the Earth describes the most important events and fundamental stages in the development of the planet Earth from its formation to the present day during the last 4.6 billion years. Nearly all branches of natural science have contributed to the understanding of the main events of the Earth's past. The Earth is approximately one third of the age of the universe. Immense geological and biological changes have occurred during that time span.
Contents[hide]
1 Hadean and Archaean
1.1 Origin of the solar system
1.2 Origin of the Earth's core and first atmosphere
1.3 The giant impact
1.4 Origin of the oceans and atmosphere
1.5 The first continents
1.6 Origin of life
2 Proterozoic eon
2.1 The oxygen revolution
2.2 Snowball Earth and the origin of the ozone layer
2.3 Proterozoic development of life
2.4 Rodinia and other supercontinents
2.5 Late Proterozoic climate and life
3 Paleozoic era
3.1 Cambrian explosion
3.2 Paleozoic tectonics, paleogeography and climate
3.3 Colonization of land
4 Cenozoic era
4.1 Human evolution
4.2 Civilization
4.3 Recent events
5 See also
5.1 Notes
5.2 Literature
5.3 External links