Space News Archive - April 29, 2012
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
- A 'bachelor seal'; a young male seal which is prevented from mating by its herd's older males (mated bulls defending their territory).
This comes from the Russian word for 'bachelors.'