送交者: eddie 于 2007-11-12, 15:03:06:

回答: "计算一个太空飞行器在几十年后的速度和位置" that is absolutely false. 由 steven 于 2007-11-12, 14:46:26:

• as I said, gravity of other celestial bodies, sunlight and other radiation - steven (267 bytes) 2007-11-12, 15:20:00 (182280)
  • Asteroid's trajectory is predictable, uncertainties comes from measurement. (无内容) - wc (0 bytes) 2007-11-12, 15:57:28 (182287)
    • not really, say if a comet hits the asteroid belt, - steven (199 bytes) 2007-11-12, 16:37:13 (182297)
      • why is your hypothesis related? Asteroid can be predicted - wc (340 bytes) 2007-11-12, 17:33:49 (182307)
        • It depends on your definition of prediction. - steven (513 bytes) 2007-11-12, 18:19:51 (182318)
          • You will do well in China if you pretend to be an expert you are not. - wc (259 bytes) 2007-11-12, 19:17:41 (182322)
            • Why Eros? Don't you know what NEAR program is? Near Earth Asteroid Rendezvous - steven (332 bytes) 2007-11-12, 19:37:29 (182325)

加跟贴