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  1. Hace 1 día · Space, the saying goes, is hard. And the farther humans go, the harder it can get. Some of the challenges on missions to explore the moon and Mars include preventing microbial contamination of these destinations, navigating there safely, protecting crew members and hardware from radiation, and maintaining and repairing equipment.. Research on the International Space Station is helping NASA ...

  2. Hace 44 minutos · The full moon is pictured as the International Space Station orbited 254 miles above the Pacific Ocean northeast of Guam. Credits: NASA. Space, the saying goes, is hard. And the farther humans go, the harder it can get. Some of the challenges on missions to explore the Moon and Mars include preventing microbial contamination of these ...