Two weeks in pictures: December 22, 2012–January 4, 2013

In the past 14 days, WMAP scientists released final results on the infant universe, a surprise pancake structure in the Andromeda Galaxy upends galactic understanding, astronomers mapped the enormous outflows of charged particles from the center of our galaxy, and more.
By | Published: January 4, 2013 | Last updated on May 18, 2023