Musk says humans can be on Mars in four years. Many laugh, but some see purpose
Elon Musk talks about his Mars colonization project in Guadalajara, Mexico, on 27 September 2016.
2024-09-15 1247词 困难
Neither was it the first time the enigmatic billionaire has floated such a plan. In 2016 he said he believed those first crewed launches to Mars could take place within six years, even though a heavy rocket to fly them was still at the concept stage.
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