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Our World: Arecibo - The Largest Radio Telescope on Earth

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Uploaded by on Aug 5, 2009

Learn about radio waves, a special type of light that has a longer wavelength and less energy than the light we see. Find out how NASA uses radio waves to learn more about the universe and our own atmosphere with a giant telescope in Puerto Rico.

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  • Really cool. I like that both kids and adults can learn a lot from this presentation. Also, LOL at "Globey" not answering the narrator's question at 6:52.

  • love the zoom at 3:40

  • Good presentation.

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