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Why Going to Mars Means You Won’t Return

Imagine stepping onto a spacecraft headed for Mars, already knowing one thing for sure: you’re not coming back to Earth. It sounds like pure sci-fi, but for future Mars astronauts, this is a very real possibility. With what we understand today, going to Mars may effectively mean leaving Earth for good. And the main problem isn’t rockets, fuel, or engineering. It’s the human body. A Mars mission pushes the human body further than anything we’ve ever done before. Getting to the Moon took just three days. Getting to Mars takes six to nine months one way. That’s not a quick trip. It means spending two to three years away from Earth before a return even becomes an option. Years spent in deep space, under constant physical strain, in an environment the human body was never designed to survive in. #mars #spacedust #spacetravel