Keplers third law more distant planets orbit the sun

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Kepler’s third law: More distant planets orbit the Sun at slower average speeds, obeying the precise mathematical relationship Galileo observed four moons orbiting Jupiter, not Earth and that Venus goes through phases in a way that proved it must orbit Sun and not Earth Newton’s Laws of Motion Conclusion: Earth is not center of universe and people started to use models instead of aesthetics How did the Copernican revolution alter the ancient debate on extraterrestrial life?
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“Evidence” was based more on hopes and beliefs than on any type of real evidence Conclusion: Made clear that the Moon and the planets really are other worlds and life may be elsewhere How can we distinguish science from nonscience? Modern science seeks explanations for observed phenomena that rely solely on natural causes Science progresses through the creation and testing of models of nature that explain the observations as simply as possible A scientific model must make testable predictions about natural phenomena that would force us to revise or abandon the model if the predictions do not agree with observations Occam’s razor: the idea that scientists should prefer the simpler of two models that agree equally well with observations Pseudoscience: false science; e.g., psychics
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