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Elon Musk's Mars plan involves giant reusable rockets, spaceships flying 100 people

Elon Musk's Mars plan involves giant reusable rockets, spaceships flying 100 people

SpaceX Chief Executive Elon Musk envisions a fleet of 1,000 spaceships embarking en masse for Mars, establishing a self-sustaining colony of as many as 1 million people and turning humans into a multiplanetary species within 40 to 100 years.

“There are really two fundamental paths,” Musk said. “One path is we stay on Earth forever and there will be some eventual extinction event. The other is to become a ... multiplanet species, which I hope you will agree is the way to go."

Still to be determined: Where the possibly hundreds of billions of dollars will come from to pay for the rockets and spaceships, and how all those people...

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