The mission to make humans "a multiplanetary species" just got a little bit closer to becoming a reality. Elon Musk's SpaceX program published a video Tuesday describing how the proposed Interplanetary Transport System would actually work — and it involves 28,730,000 pounds of thrust for lift-off, the support of a refueling pod, and winged solar panels to provide additional power to the ITS:
Musk also said Tuesday that he believes in the future the cost of travel to Mars will be as inexpensive as buying a house. SpaceX plans to send its first ship of humans to the planet as early as 2024.
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