The week in pictures: January 7–13, 2012

This past week included discoveries of the smallest exoplanets, the most massive distant galaxy cluster, the most distant protocluster, and more.
By | Published: January 13, 2012 | Last updated on May 18, 2023

“The week in pictures” highlights the amazing discoveries and cutting-edge research that resulted in magnificent photos and illustrations in the past week’s 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.