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Science

How long does it take for light to travel from earth to pluto?

1 Answer
ANSWER

Light itself takes 4.6 hours to travel from the Earth to Pluto. If you wanted to send a signal to Pluto, it would take 4.6 hours for your transmission to reach Pluto, and then an additional 4.6 hours for their message to return to us. Let's talk spacecraft.

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