Space Dangers
Can we protect Mars-bound astronauts from deadly meteoroids and the ill effects of radiation and zero gravity?
A trip to Mars and back could take two to three years. Can humans survive the journey, fraught with deadly meteoroids, bone and muscle wasting, and perilous levels of radiation? Scientists are developing new ways to keep astronauts alive, using novel meteoroid-proof materials, artificial gravity, and exercise. But will they be enough?