送交者: 006 于 2014-09-25, 20:00:42:

回答: btw, landing on Mars is a LOT harder than on moon. 由 steven 于 2014-09-25, 17:27:24:

• For unmanned mission, orbiting Mars is harder. (无内容) - steven (0 bytes) 2014-09-25, 20:04:08 (758777)
  • k thx ... appreciate it (无内容) - 006 (0 bytes) 2014-09-25, 21:55:49 (758782)
    • by the way, you can simply say the Indian MOM is harder than - steven (396 bytes) 2014-09-26, 03:22:28 (758793)
      • Chinese space program should get credit for that also. - steven (90 bytes) 2014-09-26, 17:23:09 (758825)
      • the Chinese one also includes the lunar landing, no credits for that? (无内容) - 006 (0 bytes) 2014-09-26, 16:00:11 (758820)

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