The week in pictures: April 21–27, 2012

In the past seven days, WISE data revealed an old star in the throes of a fiery outburst, scientist estimated how long the saturnian moon Titan's methane factory has been operating, the Dawn spacecraft uncovered some secrets about the asteroid Vesta, and more.
By | Published: April 27, 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.