“Virgin Galactic’s passenger spaceplane, which is designed to take tourists to the edge of space, flew its first rocket-powered test flight, breaking the sound barrier at high altitude.
SpaceShipTwo ignited its engine Monday after being released by WhiteKnightTwo, a plane that carried it to 47,000 feet (14,000 meters) above California’s Mojave desert, British billionaire Richard Branson‘s firm said.
The rocket burned, as planned, for 16 seconds — enough to propel the spacecraft to 55,000 feet at 1.2 times the speed of sound, the statement said.
“For the first time, we were able to prove the key components of the system, fully integrated and in flight,” said Branson, who observed from the ground.
He predicted the successful test would pave the way to “full space flight by the year’s end.”
Next time, the company plans to keep the rocket going longer, to bring SpaceShipTwo to an altitude of more than 328,000 feet (100 kilometers), on the edge of space….”
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