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coformation(or sister) theory
The impact theory. The idea is that the Earth was hit by a large object and the Moon formed from the debris.
The giant impact theory that the moon formed when Earth collided with another object named Theia that was roughly the size of Mars. The debris ejected into space later came together to form the moon.
The prevailing theory at present is some form of early impact with the partly-cooled Earth. This may have been a co-orbiting object that fused with the Earth after the collision, but that blasted loose the material which later formed the Moon.(see the related question)the moon isn't as old as the Earth and was formed approximately 30-50 million years after the Solar System based on what is called 'the giant impact theory'.
There are a number of theories - capture, breaking off the earth etc, but none of them really add up.
The Dynamo Theory it what causes Earth's Magnetic Field
The plate tectonics.
The "big" bang theory is the theory that the earth was formed during a collision of space matter. The explosion/collision was so large that the particles in the middle generated life and formed the earth.
coformation(or sister) theory
The currently most-accepted theory is that it was the result of an impact, of a giant object with Earth.
Plate tectonics
plate tectonics
The Theory of Plate-techtonics
According to science, the earth was formed by gases that solidified through gravity.
The impact theory. The idea is that the Earth was hit by a large object and the Moon formed from the debris.
Plate tectonics
Plate tectonics