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New ion engine could reach Mars in 39 days
(
gizmag.com
)
15 points
by
onreact-com
on July 30, 2009
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1 comment
Retric
on July 30, 2009
[–]
Last week’s discussion of the same thing:
http://news.ycombinator.com/item?id=721189
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Search:
http://news.ycombinator.com/item?id=721189