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See this week's most amazing pictures!
Skydiving over Longmont, Colorado. Picture: Imgur/freeflygod
""Hair down, shoes off, feeling alive. Bungee jumping in Chiang Mai, Thailand." Picture: Reddit/ClimbingClimbOn
Photo by Chad Dutson Picture: Imgur/DaHitcha
Photo by Alexandre Buisse Picture: Imgur/Mapes
The series combines optical data from amateur telescopes with data from the NASA archives. Picture: NASA