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E.S. Motion of Earth, Moon, and Sun (Topic 4)

41

40 questions

  • 1. Multiple Choice
    30 seconds
    1 pt

    In our solar system, the orbits of our planets are best described as

    circular, with the planet at the center

    circular, with the sun at the center

    elliptical, with the planet at one of the foci

    elliptical, with the sun at one foci

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    Based on the diagram, what is the eccentricity of the ellipse in the diagram?

    1.0

    0.5

    0.30

    0.13

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    If the pins in the diagram were placed closer together, the eccentricity of the ellipse being constructed would

    decrease

    increase

    remain the same

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