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October 19th, 2012, 19:07
Oh, I watch the Discovery channel. It's very intersting, one of my favourite TV channels.
"The insistence that we need a faster propulsion system just allows politicians to postpone a Mars mission," said Zubrin, author of the recently re-released book "The Case for Mars." Zubrin proposes a three-stage, 18-month round-trip Mars expedition that will send a crew habitat ahead of time, as well as devices to produce fuel for the return trip.
which list a total time of an expedition (including surface period) from 3 years to 1.5 years depending on fuel spent.
The 400-450 days is from Wikipedia, and it's also what I've heard repeatedly on my 40 years of following space exploration.
PS: The Mars science Laboratory carrying the Curiosity rover landed on Mars 253 days after it launch November 26, 2011
1. The cat is alive! And pissed!!!
2. It's been 82 years. The cat is dead, and the stench is unbearable!!!
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