The orbital radius of the Earth (from Earth to Sun) is 1.496 x 10^11 m.
Mercury’s orbital radius is 5.79 x 10^10 m and Pluto’s is 5.91 x 10^12 m.
Calculate the time required for light to travel from the Sun to each of the
three planets.
a. Sun-Earth:_______
b. Sun-Mercury:________
c. Sun-Pluto:________​

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