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en.wikipedia.org/wiki/Earth

This hypothesis has been termed "Snowball Earth", and ... led to humans having an influence on Earth and the nature ...

en.wikipedia.org/wiki/History_of_Earth

... formation of the Earth. Additional complexity could have been reached from at least three possible starting points: self-replication, ...

www.nap.edu/read/6024/chapter/3

Read chapter The Origin of the Universe, Earth, and Life: While the mechanisms of evolution are still under investigation, scientists universally accept t...

www.infoplease.com/science-health/earth/origin-earth

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science.howstuffworks.com/environmental/earth/geophysics/earth6.htm

Planets and Stars - The origin of the Earth theories involve a large cloud of dust called a solar nebula. Learn about the most commonly accepted Earth origin ...

www.columbia.edu/~vjd1/origins.htm

Origin of the Universe - The Big Bang Theory An astonishing observation was made in the late 1920's. The light from distant galaxies is shifted to lower ...

www.columbia.edu/~vjd1/solar_nebula.htm

Origin of the Earth - The Solar Nebula Hypothesis. About 4.6 billion years ago our solar system formed from a cloud of gas and dust which slowly contracted ...

www.space.com/19175-how-was-earth-formed.html

Oct 31, 2016 ... Two theories explain the formation of Earth and other planets.

www.ask.com/youtube?q=Origin+of+the+Earth&v=XIHzLpLfiCc
Aug 17, 2015 ... Earth, also called the world[n 5] (and, less frequently, Gaia[n 6] or, in Latin, Terra), is the third planet from the Sun, the densest planet in the ...