A comet has a period of 98.5 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.750 AU. What is the semi-major axis of the comet ? options: 21.3 AU 11.3 AU 1.23 AU 12.3 AU
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A comet has a period of 98.5 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.750 AU. What is the semi-major axis of the comet ?
options: 21.3 AU 11.3 AU 1.23 AU 12.3 AU
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