Chapter 4 (The Origin of Modern Astronomy) Quiz

Chapter 4 (The Origin of Modern Astronomy) Quiz - Astronomy...

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Astronomy 101: Chapter 4: The Origin of Modern Astronomy 1. Plato (or Aristotle) proposed that all heavenly motion is: a. constantly changing. b. circular. c. uniform. d. both a and b above. e. both b and c above. 2. How did Claudius Ptolemy account for the retrograde motion of the planets? a. Planets slow down, stop, and then reverse their orbital direction around the sun. b. Inner planets orbit the sun faster and pass outer planets as they orbit around the sun. c. Each planet moves on an epicycle that in turn moves on a deferent that circles around Earth. d. The sun and moon orbit Earth, whereas all the other planets orbit the sun. e. None of the above. 3. One of the first principles of ancient astronomy is that the heavens beyond ________ are perfect, and the Earth is corrupt. a. the atmosphere b. the sun c. the moon d. Saturn e. Pluto 4. Who first taught that Earth is stationary and at the center of the universe, with the sun, the moon, and the planets moving around Earth in perfect circles? a. Aristotle (384-322 BC) b. Ptolemy (c. 120 AD) c. Nicolaus Copernicus (1473-1543) d. Tycho Brahe (1546-1601) e. Johannes Kepler (1571-1630)
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5. How did Nicolaus Copernicus account for the retrograde motion of the planets? a. Planets slow down, stop, and then reverse their orbital direction around the Earth. b. Inner planets orbit the sun faster and pass outer planets as they orbit around the sun. c. Each planet moves on an epicycle that in turn moves on a deferent that circles around Earth. d.
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Chapter 4 (The Origin of Modern Astronomy) Quiz - Astronomy...

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