送交者: xinku 于 2006-4-03, 18:06:40:

回答: just another free lesson: to maintain an SV in its orbit requires fuel. 由 steven 于 2006-4-03, 16:39:22:

类似潮汐效应？

• it doesn't work that way. Drag force stlows down an SV, - steven (938 bytes) 2006-4-03, 18:48:45
  • Got it. Thank you! - xinku (0 bytes) 2006-4-03, 19:12:45

加跟贴