Space

Freeze-dried food and 1 bathroom: 6 simulate Mars in dome

Crammed into a dome with one bathroom, six scientists will spend eight months munching on mostly freeze-dried foods — with a rare treat of Spam — and have only their small sleeping quarters to retreat to for solace.

The simulated stay on Mars with a carefully selected crew of researchers embarked on a mission Thursday to gain insight into the psychological toll a similar real-life voyage would have on astronauts. It's part of a NASA-funded human-behavior experiment that could help the space agency send humans to the red planet in the next 20 years.

The man-made dome that the four men and two women call home is outfitted with futuristic white walls and an elevated...

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