Ep. 504: Radar, Lidar, and Sonar

from 365 Days of Astronomy - Weekly Edition

To really study something, you want to reach out and touch it. But what can you do if you're separated by a huge distance? You reach out with electromagnetic or sound waves and watch how they bounce back. Thanks to radar, sonar and lidar.

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This episode is 39 minutes long.

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This episode was published on November 5, 2018.

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