Boing Boing Staging

This video shows how long it takes for light to travel from Earth to Mars and back again

Earth-Moon-Mars distances to scale, at LIGHT SPEED!

At this scale, light moves at a snail’s pace.

From the YouTube description: “This is the distance between Earth, the Moon and Mars with the correct distances but with Earth, Moon and Mars 20 times bigger (so you can see them!).”

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