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SteveO1

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SPACE EXPLORATION Mars Exploration Human Missions to Mars

Human Missions to Mars

Human missions to Mars have evolved from science fiction dreams to serious scientific proposals since the 1940s

7 Nov 2025

What are some of the main challenges that differentiate human missions to Mars from robotic missions?

Human missions require life support systems, protection from radiation, and solutions for long-duration space travel, unlike robotic missions. Human missions are easier because astronauts can fix problems on-site, unlike robots which are fully autonomous. Robotic missions are more complex because they need to carry humans' food and water supplies remotely.