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Sir Isaac Newton (1642 - 1727): established three laws of motion
Sir Isaac Newton (1642 - 1727): established three laws of motion and a law of universal gravitation in his Philosophiæ Naturalis Principia Mathematic...
-70% of the Earth’s surface is covered in water When astronauts
-70% of the Earth’s surface is covered in water When astronauts first went into the space, they looked back at the Earth with human eyes for the fir...

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