Human Mars Missions Face Unsolved Technical Challenges

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MARSDAILY

Life support system for Mars transit vehicle (partial).

by Staff Writers
Los Angeles CA (SPX) Oct 10, 2006
In two new papers published in Mars, The International Journal of Mars Science and Exploration (The Mars Journal), Donald Rapp reviews the current state of our understanding of life support and radiation safety for human missions to Mars.

In "Mars life support systems", he concludes that current plans for life support for human missions contain optimistic assumptions regarding the degree of recycling and reliability that can be achieved, and the amount of mass that life support systems may require.

In "Radiation effects and shielding requirements in human missions to the moon and Mars", he compares and contrasts the levels of radiation shielding required for human missions to the moon and Mars and finds that currently planned missions to both bodies are not without potentially serious radiation risks.

The Mars Journal is a peer reviewed open access journal focused on Mars science, exploration and policy.

MARSDAILY

Opportunity Set To Clock Up Six Miles On Mars

Pasadena CA (JPL) Oct 10, 2006
NASA's Mars Exploration Rover Opportunity reached the rim of "Victoria Crater" on Sept. 27, 2006, during the 951st Martian day, or sol, of the rover's work in the Meridian Planum region of Mars. Opportunity drove 9.28 kilometers (5.77 miles) in the explorations that took it from "Eagle Crater," where it landed in January 2004, eastward to "Endurance Crater," which it investigated for about half of 2004, then southward to Victoria.

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