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How long does it take for light to travel from the Sun to Earth?
8 minutes and 20 seconds
How old is the light from the sun when it hits Earth?
between 10,000 and 170,000 years
How long does it take for light to travel from the sun to Pluto?
It takes about 8 minutes for light to reach Earth and over FIVE hours for the same light beam to reach Pluto, the farthest known (dwarf) planet in our solar system. At its closest point to Earth, Pluto is about 4.38 billion kilometres away.
How do you calculate how long light takes to travel?
Time required for light to travel from sun to earth –