A new video from Real Engineering explains the nuts and bolts of how SpaceX is planning to bring people to Mars and details the advantages that SpaceX has in making that actually happen. It’s both fun and enlightening!

Some of these things you may already know—like, for instance, how the Hohmann Transfer is the most fuel efficient way to get out there or how the launch process of the Falcon 9 reusable rocket works or how SpaceX is vertically integrated to keep down costs. But it’s still really neat to see it all explained in a very easy to understand manner.

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