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Cassini Sends Home Shots of Saturn's Moon

Images of Saturn's moon Titan sent back by the Cassini spacecraft show the outlines of what could be continents, lakes or something else entirely. Until now, Titan's perpetual smog layer kept scientists from seeing its surface in detail. Hear NPR's David Kestenbaum.

Copyright 2004 NPR

David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.