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ET in Extra Solar Planets?

The search for extra-terrestrial life got a boost this week. Astronomers from Harvard and MIT have announced that they've made the first detailed measurements of light from planets in distant solar systems.

Their results are surprising, even to the astronomers. WBUR's Health and Science reporter Allan Coukell explains why.

This program aired on February 22, 2007. The audio for this program is not available.

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