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The week in pictures: December 17–30, 2011

These past two weeks saw the confirmation of the first Earth-sized exoplanets, the discovery of an active galaxy at the dawn of time, a young pulsar that's rotating slowly, beautiful images of the Saturn system, and more.
Published: December 30, 2011
December 17–30, 2011
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X-ray: NASA/CXC/Univ. Potsdam/L.Oskinova, et al. & ESA/XMM-Newton; Optical: AURA/NOAO/CTIO/Univ. Potsdam/L.Oskinova, et al.
Celestial bauble intrigues astronomers
Scientists discovered a young but slowly rotating pulsar in the remains of a supernova located in the Small Magellanic Cloud. 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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4 stars
NAZIFI UMAR from NEW JERSEY said:
appreciating discovery
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