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Type: Multiple-Choice
Category: Planetary Motion
Level: Grade 9
Score: 4
Author: swiftadam81
Last Modified: 6 years ago

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Planetary Motion Question

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Grade 9 Planetary Motion

According to Kepler's First Law, all planets in our solar system orbit around the Sun in what shape?
  1. circle
  2. sphere
  3. ellipse
  4. spiral