Steve Gottlieb's talk on 2015-05-14
Steve talks about the discovery of the spiral structure of galaxies, and how observers expectations blinded them to something so obvious.
this is about 90 minutes long, but the main talk ends at 1h 10m, then we have about 10 minutes of Q&A and 10 mins of club business.
I tried to video record it with my DSLR< but didn't realize it has a 12 minute 4GB file limit. my other camera can record x.264 multifile til it fills up the 32GB chip