Commercial Space Travel Takes One More Small Step
Virgin Galactic's VSS Enterprise completes first manned free flight.
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Virgin Galactic's VSS Enterprise completes first manned free flight.
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The floating observatory is flying at an altitude of more than 125,000 feet.
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The space agency is aiming to set a record of more than 55 days in flight for the long-duration balloon operation.
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The 26,400 nm, round-trip flight delivering an observatory to McMurdo Station took nearly a year to organize, according to the space agency.
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