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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

How do astronomers measure distance?

February 18th, 2009

Episode 199 of 1056 episodes

Since astronomers cannot actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this podcast from HowStuffWorks.

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