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Space Travel and Exploration

• Space

The space tourism firm Virgin Galactic has successfully test-fired the rocket motor designed to boost a passenger spaceliner on suborbital joy rides into space. The hybrid rocket motor would launch Virgin Galactic's SpaceShipTwo spacecraft into suborbital space at speeds of over 2,500 mph (4,000 kph) to send ticket-carrying passengers soaring to heights of 65 miles (110 km) above the Earth.

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