and intense radiation will bombard their bodies the moment they descend on the planet's surface. To survive in this hostile landscape, settlers will need man-made habitats that can support human ...
"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...
Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.