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发帖数: 2593 | 1 【 以下文字转载自 SciFiction 讨论区 】
【 原文由 calc 所发表 】
'Faster, better, cheaper' has roots in another Mars loss
December 8, 1999
Web posted at: 11:45 a.m. EST (1645 GMT)
(AP) -- NASA's policy of
exploring the solar system with
less expensive, more frequent
missions stems from the loss of
the $1 billion Mars Observer in
1993 and budget cuts imposed by
Congress.
In the 1970s and '80s, mission
planners normally spent a decade
or more loading down giant spacecraft with every scientific
instrument that could be |
|
