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Travel Light-Years in a Lifetime

You could travel to the Andromeda Galaxy if you were moving near the speed of light.

Topic: Physics + MathPhysics & MathBrand: What the Physics?!What the Physics?!

Program Description

The Andromeda Galaxy is 2.5 million light-years away—meaning even light, the fastest thing there is, would take 2.5 million years to get there from Earth. But if you could travel near light speed, your time would slow down enough that you could get there easily in your lifetime. Find out how in this episode of What the Physics?!