送交者: 006 于 2014-09-25, 14:49:53:

回答: saw it already. 由 steven 于 2014-09-25, 14:07:57:

• according to the mission objectives listed in Space.com - steven (323 bytes) 2014-09-25, 15:54:43 (758759)
  • Certainly what involved in the Mars mission is a lot harder than lunar mission. - 006 (188 bytes) 2014-09-25, 16:12:27 (758764)
    • The Mars Transfer orbit requires more orbit maneuver. - steven (197 bytes) 2014-09-25, 17:09:49 (758766)
      • btw, landing on Mars is a LOT harder than on moon. (无内容) - steven (0 bytes) 2014-09-25, 17:27:24 (758768)
        • yeah, so how compare lunar landing and Martian orbiting then? (无内容) - 006 (0 bytes) 2014-09-25, 20:00:42 (758776)
          • 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)
        • mars is full of diamond? (无内容) - cornbug (0 bytes) 2014-09-25, 18:27:17 (758769)
          • noop, Mars has atmosphere. (无内容) - steven (0 bytes) 2014-09-25, 20:06:03 (758779)
• 没什么好比的，都上天了。 (无内容) - 蓝隼 (0 bytes) 2014-09-25, 15:51:30 (758758)

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