Hank Green pays tribute to some of the great scientific minds we lost in 2012, beginning with astronauts Neil Armstrong and Sally Ride. Green concludes by apologizing for some mistakes made in recent SciShow episodes.
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Rest in Space, Sally Ride
Sally K. Ride, the first American woman to fly in space, died today after a 17-month battle with pancreatic cancer. Ride, 61, journeyed into orbit on June 18, 1983 for a six-day flight on board the Space Shuttle Challenger. Here’s a look back at her historic achievement.
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