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9 Cards in this Set

  • Front
  • Back
Pythagoras
believed earth was a perfect sphere
Aristotle
thought planets moved different from stars and thought of geocentric model
Nicholas Copernicus
identified heliocentric system and made scientific method of invention
Kepler
orbit of planets are ellipses and unification of astronomy and physics
Galileo
turned toy into telescope and discovered sunspots. Considered controversial
4 moons of Jupiter
Io, Europa, Callisto, Ganymede
What wavelength is longest?
Radio waves
Refracting telescopes
has a curved objective lenses that gathers light and focuses to form image
Reflecting Telescope
had a curved mirror, image comes to focus in front of mirror