A mathematical model developed by space medicine experts from The Australian National University (ANU) could be used to predict whether an astronaut can safely travel to Mars and fulfil their mission duties upon stepping foot on the Red Planet.

The ANU team simulated the impact of prolonged exposure to zero gravity on the cardiovascular system to determine whether the human body can tolerate Mars' gravitational forces -- which aren't as strong as on Earth -- without fainting or suffering a medical emergency when stepping out of a spacecraft.

The model could be used to assess the impact of short and long duration space flight on the body and could serve as another important piece of the puzzle in helping land humans on Mars.

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