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New Proof of Galactic Black Hole

A group of very patient astronomers reports new evidence that an immense black hole lives at the center of Earth's galaxy. The team has been watching a handful of stars at the center of the Milky Way for a decade -- waiting for a telltale sign that they're in orbit around a black hole. NPR's David Kestenbaum reports.

Copyright 2002 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.