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The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth itself.
How the Earth Was Made is a documentary television series produced by Pioneer Productions for the History Channel.It began as a two-hour special exploring the geological history of Earth, airing on December 16, 2007.
The Moon formed soon afterwards, possibly as a result of the impact of a large planetoid with the Earth. [ 12 ] [ 13 ] More recent potassium isotopic studies suggest that the Moon was formed by a smaller, high-energy, high-angular-momentum giant impact cleaving off a significant portion of the Earth. [ 14 ]
Amasia Supercontinent: Earth's Geologic Past Shapes Our Understanding Of Future Before it split into the continents we know today, Earth was home to just a single landmass, or "supercontinent ...
Life on Our Planet is an American television nature documentary series released on Netflix and produced by Amblin Television and Silverback Films.Executive-produced by Steven Spielberg and narrated by Morgan Freeman, the series focuses on the evolutionary history of complex life on Earth.
The Earth was formed by a series of cosmic cataclysms, including the most powerful blast in the Universe. Explores how the same chain of events may have created other Earths elsewhere. Season 3 (2014)
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According to evidence from radiometric dating and other sources, Earth formed about 4.54 billion years ago. [7] [8] [9] The current dominant theory of planet formation suggests that planets such as Earth form in about 50 to 100 million years but more recently proposed alternative processes and timescales have stimulated ongoing debate in the planetary science community. [10]
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