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The week in pictures: November 3–9, 2012

In the past seven days, a study confirmed that binary star systems can cause the stunningly symmetric patterns around planetary nebulae, astronomers discovered an exoplanet whose orbit around its host star is at a similar distance to Earth’s orbit around the Sun, Cassini scientists witness Saturn's moon Titan glowing in the dark, and more.

Published: November 9, 2012
November 3–9, 2012
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ESO/H. Boffin
Odd pair of aging stars sculpt spectacular shape of planetary nebula
The study confirms that precessing accretion disks within binary systems cause the stunningly symmetric patterns around planetary nebulae like Fleming 1. Learn more »
 
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