Where DOES Space Begin? Virgin Galactic's SpaceShipTwo Flies Right into the Debate

Thursday, December 13, 2018 - 18:00 in Astronomy & Space

"SpaceShipTwo, welcome to space," reads a triumphant tweet from Virgin Galactic posted during today's successful test flight after the company's vehicle reached 51.4 miles (82.7 kilometers) in altitude.

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