Asteroid Research

Aug. 30, 2011
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The space shuttle program may have ended, but a new era inspace exploration is underway. NASA recently announced its latest mission- Osires-Rex. The mission involves learning more about earth’shistory by obtaining samples of an asteroid that’s headed in thisdirection. Arizona State University Professor Phil Christensen talks about themission.

In this segment:

Phil Christensen : Professor,Arizona State University

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