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Could I see a flashlight beam from Earth on the moon?

February 24, 20144 min
If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff.Learn more about advertising on the HowStuffWorks podcasts at to learn about your ad choices when listening to podcasts, visit