From DeepSkyVideos.

Full interview with SETI’s Seth Shostak from our video about NGC 2403 – Main video is at — https://youtu.be/kkNWEu5KWkY — More links and info in full description ↓↓↓

Seth Shostak: http://sethshostak.com
Seth Shostak’s thesis: https://core.ac.uk/download/pdf/11812191.pdf

Messier Objects playlist: http://bit.ly/MessierObjects

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Astronomy at The University of Nottingham: https://www.nottingham.ac.uk/astronomy/

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Video by Brady Haran