Kepler's Third Law of Planetary Motion
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Kepler's Third Law of Planetary Motion

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@SuitableUkiyoE

Questions and Answers

According to Kepler's first law, which shape describes the orbit of a planet?

  • Circle
  • Ellipse (correct)
  • Square
  • Triangle
  • Why are the foci of an ellipse important in planetary orbits?

  • They indicate where the planet is located
  • They help determine the eccentricity of the orbit (correct)
  • They are just a point of reference
  • They show the major and minor axes of the ellipse
  • What type of axis does an ellipse have?

  • Long and short axes (correct)
  • Horizontal and vertical axes
  • Diagonal axes
  • Prime and secondary axes
  • In terms of shape, what distinguishes elliptical orbits from circular orbits?

    <p>Eccentricity</p> Signup and view all the answers

    Which astronomer developed three laws to describe planetary motion?

    <p>Johannes Kepler</p> Signup and view all the answers

    How does the sun's position differ in an elliptical orbit compared to a circular orbit?

    <p>The sun is at one focus in an elliptical orbit</p> Signup and view all the answers

    What term describes the oval shape of most modern-day planetary orbits?

    <p>Ellipse</p> Signup and view all the answers

    Which factor determines how elongated or circular an orbit appears?

    <p>&quot;Eccentricity&quot;</p> Signup and view all the answers

    "Oort cloud" is related to which concept described in the text?

    <p>&quot;Orbital eccentricity&quot;</p> Signup and view all the answers

    The long axis of an ellipse corresponds to which astronomical element?

    <p>The major axis</p> Signup and view all the answers

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