giant impact hypothesis
It says that the moon was formed about 4.5 billion years ago, a few million years after the formation of the solar system, due to the collision of earth with a planet about the size of Mars.According to this theory a Mars sized planet once orbited the sun not far away from earth. Also giant collisions are consistent with the leading theories of the formation of the solar system. %���� The Giant Impact Hypothesis is the currently favoured theory on how the moon was formed. When the Earth was still forming it was hit at a a glancing angle by a body approximately the same size as Mars, The Earth was titled and the ejected material formed the Moon, Computer models have shown this was possible and explains the moon's orbit and rotation. "�8^+���ʑ#
l-�� The Giant Impact Hypothesis. Finally, the moon has exactly the same oxygen isotope composition as the Earth, unlike other planets in the Solar System, indicating that the moon should have been formed from material in Earth’s neighbourhood.One of the points against the theory is that the energy from such a collision would have produced a global ocean of magma on earth but there is no evidence that earth had such a magma ocean. Gravity pulled the debris into orbit around earth and as the fragments collided, they began to quickly coalesce together to form today’s moon.The Giant Impact theory on how the moon was formed is supported by some evidence including: the identical direction of the Earth’s spin and the Moon’s orbit, Moon samples that indicate the surface of the Moon was once molten just like it should have been after the collision, the Moon’s relatively small iron core and evidence of similar collisions in other star systems (that result in debris disks). His debut self help book "Happiness Decoded" was released in early 2014. mr@�:|S�*���t�("oH Moreover, recent research has shown that the impactor that created the Moon (consistent with the Giant Impact Hypothesis) could have formed in a … (((((((((((((((((((((((((((((((((((((((((((((((((((�� �" �� �� = !1A"Qaq#2��B���R��r���$3CSb��� �� ' !1"AQq2Ra���� ? R� �� �R������=��9�C���+���|�! According to the giant-impact hypothesis, Theia orbited the Sun, nearly along the orbit of the proto-Earth, by staying close to one or the other of the Sun–Earth system's two more stable Lagrangian points (i.e., either L4 or L5). The base of this theory is that a giant impact occurred between a Mars-sized protoplanet, called Theia, and the proto-Earth. The giant-impact hypothesis, sometimes called the Big Splash, or the Theia Impact suggests that the Moon formed out of the debris left over from a collision between Earth and an astronomical body the size of Mars, approximately 4.5 billion years ago, in the Hadean eon; about 20 to 100 million years after the solar system coalesced. It says that the moon was formed about 4.5 billion years ago, a few million years after the formation of the solar system, due to the collision of earth with a planet about the size of Mars.
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