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Space News Archive - April 29, 2012

'Critical' Spaceplane Engine Testing Underway

Testing has begun on an engine that could make it possible for a plane to travel into space, travel at five times the speed of sound, and make it possible to reach any destination on the planet in no more than four hours.

Word of the Day
bawbee
  • A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
  • (in plural) Money; cash.
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