Weekly Science Update

HD 189733
An artist's conception of the extra-solar planet around the nearby star HD 189733. CfA astronomers have been able to measure the weather on this planet -- the first such result for any extra-solar planet -- using a CfA-led infrared camera on the Spitzer Space Telescope. They find a large hot spot and very fast winds in the planet's atmosphere.
Credit: David A. Aguilar (CfA)
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