Millions looked skyward as Venus crosses the Sun on June 5 for the last time more than 100 years. Astronomers Without Borders webcast live from world-famous Mount Wilson Observatory during this rare event, with expert interviews, amateur astronomers, public, videos and the world premiere of a musical composition for the 2012 Transit of Venus for one of the world's rarest musical instruments, the glass armonica, invented by Benjamin Franklin. Watch recorded segments of the webcast below. Click on "Playlist" at the bottom of the viewer to see the segments that are available. See content notes to the right. Credits are...
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