Answer to Question #1923 in Astronomy | Astrophysics for nirmala
At perihelion on Feb. 9, 1986, Halley’s comet was 8.79 × 107 km from the Sun and was moving at a speed of 54.6 km s-1 relative to the Sun. Calculate its speed (a) when the comet was 1.16 × 108 km from the Sun, and (b) at its next aphelion in the year 2024, when the comet will be 5.28 × 109 km from the Sun.
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