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Scientists are particularly interested in Saturn's moon Titan because it's one of the few known moons with its own dense atmosphere. Titan's atmosphere is also thought to be very similar to what Earth's atmosphere was a long time ago. By learning about Titan, we'll learn about our own planet.
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This site is no longer maintained. It contains historical data.

For current information about the NASA Astrobiology Program, please visit http://astrobiology.nasa.gov/


2006-09-11 | SCIENCE
NASA Selects 12 Research Proposals in Radiation Biology

NASA will fund a dozen new research proposals to better understand and reduce the risks that crews of future moon and Mars missions could face from space radiation. The health risks of radiation during space travel may include cancer, degenerative tissue damage -- including damage to the central nervous system -- and acute radiation sickness. The new research may help in the development of effective shielding or biological countermeasures for radiation exposure. The research is part of NASA's Space Radiation Program, the goal of which is to assure astronauts can safely live and work in the space radiation environment, anywhere, anytime.

Astronauts are exposed to harmful radiation when on space missions, and studying space radiation is vital for ensuring their safety. Understanding how space radiation could affect future human explorers can help scientist determine the future of life on Earth and beyond.


More on this story Full text of original item from NASA, Sep 11, 2006

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Last Updated: November 13, 2007
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