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TED Fellow Lucianne Walkowicz asks: How often do you see the true beauty of the night sky? At TEDxPhoenix, she shows how light pollution is ruining the extraordinary -- and often ignored -- experience of seeing directly into space. (Filmed at TEDxPhoenix.)
Lucianne Walkowicz works on NASA's Kepler mission, studying starspots and "the tempestuous tantrums of stellar flares." Full bio »