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The Concept Map you are trying to access has information related to:
scientific method, newton's theories, constant interplay, the scientific method, johannes kepler, tycho brahe, observation & experiment, motion and reappearance of a long period comet, basic facts about gravity, isaac newton, theory of general relativity, galileo galilei, theory , edmond halley, laws of planetary motions, revolutionary, albert einstein, laws of motion and of universal gravitation