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The week in pictures: November 5–11, 2011

This week's news featured dark-matter-dominated dwarf galaxies, a gas giant ejected from the solar system, an asteroid close encounter, and more.
NASA/ESA/A. van der Wel (Max Planck Institute for Astronomy)/H. Ferguson and A. Koekemoer (STScI)/CANDELS team

Hubble uncovers tiny galaxies bursting with star birth in early universe

Astronomers believe this rapid star birth represents an important phase in the formation of dwarf galaxies, the most common galaxy type in the cosmos. 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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