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Satellite Systems Aid in Shuttle Debris Search

Searchers near the Texas-Louisiana border continue their search for debris in an effort to determine what caused the space shuttle Columbia to break apart upon re-entry Feb. 1. In Austin, Texas, officials rely on the latest technologies to aid in the investigation. Hear NPR's Joe Palca and NPR's John Nielsen.

Copyright 2003 NPR

Joe Palca is a science correspondent for NPR.
John Nielsen covers environmental issues for NPR. His reports air regularly on NPR's award-winning news magazines, All Things Considered, Morning Edition and Weekend Edition. He also prepares documentaries for the NPR/National Geographic Radio Expeditions series, which is heard regularly on Morning Edition. Nielsen also occasionally serves as the substitute host for several NPR News programs.