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The week in pictures: December 3–9, 2011

This past seven days saw an exoplanet discovered in its star's habitable zone, two record-breaking black holes, a look at asteroid Vesta's makeup, and more.
Published: December 9, 2011
December 3–9, 2011
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Illustration by NASA/Ames/JPL-Caltech
Kepler confirms its first planet in habitable zone of Sun-like star
The new world is 2.4 times the radius of Earth and orbits its home star in 290 days. Learn more »
 

"The week in pictures" highlights the amazing discoveries and cutting-edge research that resulted in magnificent photos and illustrations in the past week's Astronomy.com News section. Scroll through the photos, comment on your favorites, and click links to learn more about the science behind the pictures. We hope "The week in pictures” will not only highlight all our beautiful universe has to offer but also summarize the important stories of the past seven days in case you missed anything.

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