Universal Gravitation Vocabulary Terms Crossword

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Across
  1. 2. the theory that gravitational force results from the bending of spacetime by an object’s mass
  2. 7. When an object turns around an internal axis
  3. 10. When an object moves along a closed path around an external axis
  4. 11. closest distance between a planet and the sun
  5. 15. states that gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
  6. 16. The orbit of a planet about the sun is an ellipse with the sun at one focus
  7. 17. Provide an explanation for the patterns that one observes in nature
Down
  1. 1. three laws derived by Johannes Kepler that describe the properties of all orbiting satellites
  2. 3. the proportionality constant in Newton’s law of universal gravitation
  3. 4. The square of the period of any planet in our solar system about the sun is equal to the cube of the planets average distance from the sun
  4. 5. the model of the solar system where Earth is at the center of the solar system and the sun and all the planets orbit around it; this is also called the geocentric model
  5. 6. the model of the solar system where the sun is at the center of the solar system and all the planets orbit around it; this is also called the heliocentric model
  6. 8. a measure of the separation of the foci of an ellipse
  7. 9. furthest distance between a planet and the sun
  8. 12. The closed path an object takes around a center of mass
  9. 13. Each planet moves so that an imaginary line drawn from the sun to the planet sweeps out equal areas in equal times
  10. 14. Describes patterns in nature that always repeat themselves under the same set of conditions