How radio telescopes show us unseen galaxies

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April 18, 2017 Today's TED Talk How radio telescopes show us unseen galaxies 15:25 minutes · TEDxPerth Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can't carry you into its depths (yet) -- but a radio telescope can. In this mesmerizing talk, Hurley-Walker shows how she probes the mysteries of the universe using special technology that reveals light spectrums we can't see. Watch now »   Playlist of the Day The lights and sounds of the universe Find out what sound a black hole makes, if (possible) alien life is blocking star light and other astounding things happening in our galaxy -- and beyond. Watch » 5 talks · Total run time 53:34   Download the TED app

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