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Answer to Question #39665 in Astronomy | Astrophysics for rohit kumar

Question #39665
a) The comet Encke has an aphelion distance of 6.1X10^11 m and perihelion distance of
5.1X10^11 m The mass of the sun is 2.0X10^30 kg. Find the speed of the comet at the
perihelion and the aphelion.
b) The planet earth is 1.5X10^11 m from the sun and orbits the sun in one year. The planet
Pluto takes 248 years to orbit the sun. How far is Pluto from the sun?
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