Phil Pressel designed cameras for the government's top-secret Hexagon project. He's only recently been able to speak about his life's work.

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Spy Satellite Engineer's Top Secret Is Revealed

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Brian Greene Explains 'The Fabric Of The Cosmos'

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Scientists Find Youngest Planet Ever Observed

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Predicting When Space Junk Will Come Home To Earth

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Did Giant Stars Feed Blue Stragglers?

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Highly sensitive cameras were set up outside the Yucca Valley Community Center in California recently to capture images from deep space. One of the brightest supernovas in the last century won't be visible to amateur stargazers within the next week.

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Chance To Spot Rare Supernova Fading Fast

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Video Pick: Space Eggs

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Contest Seeks To Launch Student Space Projects

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Physics Nobelists Observed An Accelerating Universe

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Mars Rover Peers Into The Endeavour Crater

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Massive Observatory Provides A Look Back

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Three Scientists Win Nobel Prize In Physics

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The Stratospheric Observatory for Infrared Astronomy, known as SOFIA, is a modified Boeing 747 airplane that houses a NASA telescope. Melissa Forsyth/NPR hide caption

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Flying Telescope Makes An Out-Of-This-World Find

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China Launches A Space Laboratory

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