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Astrophysics Topics

  • Secrets of a Salty Survivor

    2004April 6, 2011

    A microbe from the Dead Sea may hold the key to protecting Astronautsfrom one of the greatest threats they would face during a mission to Mars: space radiation.

  • Can People Go to Mars?

    2004April 6, 2011

    Space radiation between Earth and Mars poses a hazard to astronauts. How dangerous is it out there? NASA scientists are working to find out.