If we get back to the lunar surface, astronauts will have to contend with much more than perilous rocket flights and the vacuum of space.

Despite Nasa's successful Apollo landings, humans have spent very little time on the moon.

In total, 12 Apollo astronauts lived on the lunar surface for roughly 10 days, and travelled outside their lander for only 80 hours. With such a short sojourn, they caught merely a glimpse of the risks associated with survival there.

The prospect of humans staying on the moon for longer stretches has grown, with the Trump administration pledging an American return

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The toxic side of the moon

Watch your step

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Sleepy moon men

Radiation aplenty

Small rocks, big blasts

The lunar underground