Is Elon Musk’s Mars Dream Impossible?

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Elon Musk needs to face the reality: we’re not getting to Mars with conventional rockets. Combustion rockets require fuel to burn, but once you use it all up, you’re stuck. So what happens when you run out halfway to Mars? Looks like a one-way trip, folks. It was never really going to work.
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#SpaceExploration #MarsMission #ElonMusk #SpaceTravel #RocketScience #FutureTechnology #AshtonForbes