加拿大等離子火箭突破 能縮短火星之旅少至40天
Canadian Plasma Rocket Breakthrough, Could Shorten A Trip To Mars To As Little As 40 Days.
// added January 23, 2010
加拿大等離子火箭突破 能縮短火星之旅少至40天
http://current.com/items/91979105_canadian-plasma-rocket-breakthrough-could-shorten-a-trip-to-mars-to-as-little-as-40-days.htm
http://www.liveleak.com/view?i=bba_1264267430
一間建做無線電台發射機公司名Nova Scotia，幫助發展一項新的等離子火箭發動機，可以減低火星之旅至僅 40天。
Hacketts Cove的 Nautel有限公司與德州火箭公司Ad Astra合作，為新的等離子火箭發動機建做一個射頻放大器。
來自放大器的無線電波會加熱氣體，如氬氣或氙，入等離子至太陽的表面熱度，然後火箭使用一系列磁鐵去推動等離子，以令人難以置信的速度飛出火箭。
代之那短而炸藥性的爆炸在化學火箭發動機所看到，等離子火箭提供一個持續而高速的熱氣流，它能在數週的時間加速飛船到達火星。
這種航天器然後會把它的等離子發動機對着它的目的地，和在相反的方向發射它們以減速。
等離子火箭並不適合去令一架飛船從地球往太空，但一旦進入太空，飛船用等離子推進器可在40天內到達火星，一項旅程目前可以長達兩年。
更多:
http://www.liveleak.com/view?i=bba_1264267430
http://current.com/items/91979105_canadian-plasma-rocket-breakthrough-could-shorten-a-trip-to-mars-to-as-little-as-40-days.htm
Canadian Plasma Rocket Breakthrough, Could Shorten A Trip To Mars To As Little As 40 Days.
// added January 23, 2010
Canadian Plasma Rocket Breakthrough, Could Shorten A Trip To Mars To As Little As 40 Days.
http://current.com/items/91979105_canadian-plasma-rocket-breakthrough-could-shorten-a-trip-to-mars-to-as-little-as-40-days.htm
http://www.liveleak.com/view?i=bba_1264267430
A Nova Scotia company that builds transmitters for radio stations is helping develop a new plasma rocket engine that could cut a trip to Mars down to just 40 days.
Nautel Ltd. of Hacketts Cove has partnered with a Texas rocket company, Ad Astra, to build a radio-frequency amplifier for a new plasma rocket engine.
The radio waves from the amplifier heat gas, such as argon or xenon, into plasm as hot as the surface of the sun. The rocket then uses a series of magnets to propel the plasma out of the rocket at incredible speeds.
Rather than the short, explosive blast seen in chemical rocket engines, plasma rockets provide a continuous, high-speed stream of hot gas that could accelerate a spacecraft to Mars over a period of weeks.
Such a spacecraft would then turn its plasma engines toward its destination and fire them in the opposite direction to slow down.
Plasma rockets aren't suitable for getting a spaceship from Earth into space, but once in space, a spaceship using plasma propulsion could reach Mars in 40 days, a trip that could currently last up to two years.
more:
http://www.liveleak.com/view?i=bba_1264267430
http://current.com/items/91979105_canadian-plasma-rocket-breakthrough-could-shorten-a-trip-to-mars-to-as-little-as-40-days.htm
Disc:
http://www5.uwants.com/viewthread.php?tid=9358709&extra=page%3D1
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