The Heliocentric Model of the Solar System, the Role of Religion, and the Enlightenment.

During the Middle Ages, the scientific understanding of cosmology was a combination of the ideas of Aristotle, Ptolemy, and others. They believed in a fixed, motionless earth at the center of a series of cocentric spheres where there were perfectly spherical planets in circular orbits at a constant speed. This theory is known as the … Continue reading The Heliocentric Model of the Solar System, the Role of Religion, and the Enlightenment.

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Math Problem of the Week #11

Three kids are standing in a row. Each of them are asked to say their favorite planet in the solar system. Since there are 8 planets, and each kid must choose one planet, and assuming it is chosen randomly, what is the probability that they all choose the same planet?