Latest Hall effect thruster Stories
Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century.
Aerojet's High-Power Hall System Providing Orbit-Raising Propulsion for Air Force's Advanced Extremely High Frequency Satellite
SACRAMENTO, Calif., Nov.
Word of the Day
- A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
- (in plural) Money; cash.