The orbital radius of the Earth (the average Earth-Sun distance) is 1.496 × 1011 m. Mercury’s orbital radius is 5.79 × 1010 m and Pluto’s is 5.91 × 1012 m. Calculate the time required for light to travel from the Sun to each of the three celestial bodies

Earth: , Mercury: , Pluto:

Explanation:

The light travels at a constant speed of approximately meters per second. The time (), in seconds, required for light to travel a given distance is:

(1)

Where:

- Travelled distance, in meters.

- Speed of light, in meters per second.

Now, we calculate the time for light to travel to each planet:

Earth (, )

Mercury (, )

Pluto (, )

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explanation: