Practice Quiz

CLEP Western Civ II

Category - Scientific Revolution

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Edmund Halley's contribution to the study of comets was which of the following?
  1. He sighted them for the first time.
  2. He kept detailed records of their occurrence.
  3. He was the first to use a telescope to observe them.
  4. He accurately predicted when one would hit the earth.
  5. He discovered that they could reappear predictably.
Explanation
Answer: E - Halley claimed that comets appeared predictably. He asserted that the comet that now bears him name had circled the earth before, and that its appearance could be accurately charted. His discovery helped advance the idea of natural laws and the human ability to decipher them.
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