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Betting on Deep Impact's... Impact

On the 4th of July, NASA successfully arranged for a probe to get in the way of a comet. The collision produced a huge cloud of debris and reams of data for scientists to study. They now know more about the makeup of comets.

But one office pool among the scientists remains unresolved: What did the resulting crater look like?

Copyright 2022 NPR. To see more, visit https://www.npr.org.

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.