Question

    What is the shape of the orbit of the planets?

    A Round Correct Answer Incorrect Answer
    B Straight line Correct Answer Incorrect Answer
    C Elliptical Correct Answer Incorrect Answer
    D Stretched out circles Correct Answer Incorrect Answer

    Solution

    A planet's orbit is an ellipse-a stretched-out circle. Two special points, each called a focus, are inside the ellipse.

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