Fun Facts: Pluto is only 4 hours away if you traveled at the speed of light
Did you know that it would take just four hours to reach Pluto if we could travel at the speed of light, and that sound can't travel in space? Learn more with our fun facts of the day!
Did you know that it would take just four hours to reach Pluto if we could travel at the speed of light, and that sound can't travel in space? Learn more with our fun facts of the day!
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