Jon Erlichman
@JonErlichman · 23 mai 2020
Elon Musk watching the successful
return of the Falcon 9 rocket in 2015:
x.com/flcnhvy/status…
Elon Musk
@elonmusk
5 years ago. We need to accelerate progress towards fully reusable rockets. Cost per ton to orbit needs to improve by >1000% from where Falcon is today for there to be a self-sustaining city on Mars.
23:30 · 23 mai 2020 · 0 vues
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