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Hace 3 horas · Earth's history with time-spans of the eons to scale. The history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution.
- Geologic time scale
The geologic time scale, proportionally represented as a...
- Geologic time scale
Hace 4 días · Geological history of Earth – The sequence of major geological events in Earth's past; Geodynamics – Study of dynamics of the Earth; Geosyncline – Obsolete geological concept to explain orogens; GPlates – Open-source application software for interactive plate-tectonic reconstructions
Hace 4 días · The Geologic Time Scale is the history of the Earth broken down into four spans of time: the Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras. These eras of the Earth are marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one era from another.
- Heather Scoville
Hace 2 días · The early evolution of the solid Earth and its atmosphere and oceans is covered in geologic history of Earth. The geologic and biological development of Earth, including its surface features and the processes by which they are created and modified, are discussed in geochronology, continental landform, and plate tectonics.
- Earth is the third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its near-surface environments ar...
- Earth is located in the Orion-Cygnus Arm, one of the four spiral arms of the Milky Way, which lies about two-thirds of the way from the centre of t...
- Earth’s name in English, the international language of astronomy, derives from Old English and Germanic words for ground and earth, and it is the o...
- Earth and the other planets in the solar system formed about 4.6 billion years ago. The early Earth had no ozone layer and no free oxygen, lacked o...
- Viewed from another planet, Earth would appear bright and bluish in colour. In latitudinal belts, swirling white cloud patterns of midlatitude and...
Hace 4 días · The Precambrian encompasses the Archean and Proterozoic eons, which are formal geologic intervals that lasted from 4 billion to about 541 million years ago, and the Hadean Eon, which is an informal interval spanning from 4.6 billion to 4 billion years ago. The Precambrian represents more than 80 percent of the total geologic record. Archean Eon.
Hace 4 días · The geologic time scale spans Earth’s entire history and is divided into four principle divisions: Precambrian, Paleozoic, Mesozoic, and Cenozoic. This timeline provides a framework for describing the age of rocks and fossils, as well as the sequence of events that have occurred over millions of years.
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