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Meteorite Hypothesis of Lockyer - Origin of the Earth - UPSC

Meteorite Hypothesis of Lockyer

Norman Lockyer was a British scientist who gave his own hypothesis about origin of the earth. Lockyer's hypothesis is a converted form of Nebular Hypothesis of Laplace, Lockyer's hypothesis which is known as "The Meteoritic Hypothesis" says that there are infinite numbers of shooting stars in the sky these are called meteorites. When we studies about meteorites because sometimes they also fall on the earth so when we study about meteorites we found that these are made of the same substances which our earth is made of. According to the Lockyer's hypothesis of meteorite two huge meteorites collide with each other which caused high temperature, light and air and most parts of the meteorite were melted and converted into liquid and some part formed cloud in the sky and due to the gravity it formed enormous aerial heavenly body and due to the collision it started rotating and formed a spiral nebula, and later the upper part of this spiral nebula's started cooling down and became separated from the inner part and It contracted as a mass. This nebula formed earth and all the planets of solar system. 

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