想象要基與科學

light speed* >> third cosmic velocity** with which your train would drive out of the solar system.

*light speed ~ 300Km/s
**third cosmic velocity ~17 Km/s

 

所有跟帖： 

• 王師傅沒學過物理，可以理解~@~ -^3.1415926^- ♀ (0 bytes) () 02/23/2011 postreply 11:59:39

• He needs to consult a physicst like "me" before making the propo -shortstop- ♂ (10 bytes) () 02/23/2011 postreply 12:06:22

• Opps, a typo: physicist -shortstop- ♂ (0 bytes) () 02/23/2011 postreply 12:08:03

• BMT 裏說，不要那麽認真啦~@~咱這沒有引力，沒有重力，大家都是飄著的 ·@～ -^3.1415926^- ♀ (0 bytes) () 02/23/2011 postreply 12:08:04