Latest Spacecraft propulsion Stories
On Dec. 15, more than 120 aerospace industry leaders from more than 70 companies attended the Space Launch System's Advanced Booster Industry Day held at Marshall Space Flight Center in Huntsville, Ala.
The US Army conducted its first flight test of its new Advanced Hypersonic Weapon (AHW), launching the high-tech bomb from the Pacific Missile Range Facility in Kauai on Thursday.
The U.S. Naval Research Laboratory Materials Testing Facility recently demonstrated the one-thousandth successful firing of its Electromagnetic Railgun.
Escape Velocity -- An escape velocity is the minimum speed at which an object without propulsion can move away from a source of a gravitational field indefinitely if there is no friction. This definition may need modification for the practical problem of two or more sources in some cases. In any case, the object is assumed to be a point with a mass that is negligible compared with that of the source of the field, usually an excellent approximation. It is commonly described as the speed...
- An uxorious, effeminate, or spiritless man.
- A timorous, cowardly fellow.