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The week in pictures: March 31–April 6, 2012

In the past seven days, the Fermi space telescope provided new insights into what constitutes dark matter, scientists learned how black holes grow, NASA extended three important space telescope missions, and more.
ESO/Digital Sky Survey 2

Fermi observations of dwarf galaxies provide new insights on dark matter

Using the data, scientists were able to rule out certain kinds of weakly interacting massive particles as dark-matter candidates. 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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