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theory, universe, earth centered, geocentric, astronomy, earth
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sun, astronomy, science, scholar, artist, heliocentric
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tools, universe, comets, astronomy, supernova, atmosphere
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thermometer, astronomy, telescope, sun, heliocentric, church
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A Dutch eyeglass maker named Hans Lippershey (or Lipperhey) invented the telescope. His telescope had a concave eyepiece aligned with a convex objective lens.
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When he had heard about the "Dutch perspective glasses" within day Galileo was making a design for his own — with out ever seeing one.
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law, gravity, mass, force, science, reaction
