Galileo observed dark spots on the sun that changed shape and position from day to day, discovered that the moon was not smooth, but had mountains and valleys, and that Jupiter was a mini solar system. He concluded that there was no such thing as Quintessence matter and that all matter must be the same, or very similar.

ry important and admired, so people assumed that his ideas were true. Thus, these ideas from Aristotle were “obstacles” to the scientific revolution.

Gilbert worked with a mineral now called magnetite, which possesses natural magnetism. He suspected that the Earth’s gravity and magnetism were connected. Kepler created three laws of planetary motion known as Kepler’s Laws, which are still valid today. He found that the planets do not move in uniform circles, but rather ellipses. Thus, they do not have epicycles. He discovered that a planet travels more quickly when it is closer to the sun. He also found that there is a mathematical relationship between the period of a revolution of a planet and its distance from the sun.

These new discoveries and intellects that contributed to this revolution a

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