To really study something,you want to reach out and touch it. But what can you do whether you’re separated by a enormous distance? You reach out with electromagnetic or sound waves and watch how they bounce back. Thanks to radar, sonar and lidar. We generally record Astronomy Cast every Friday at 3:00 pm EST … Continue reading "Astronomy Cast Ep. 504: Radar, and Lidar,and Sonar"The post Astronomy Cast Ep. 504: Radar, Lidar, or Sonar appeared first on Universe Today.
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