This week in pictures: September 8–14, 2012

In the past seven days, Curiosity tested the instruments on its arm, scientists argued that the discovery of a cloud of hydrogen and helium plunging toward the galactic center represents the remains of a planet-forming disk, researchers suggested that planets potentially hostile to human life might be the perfect place for extremophiles to survive, and more.
By | Published: September 14, 2012 | Last updated on May 18, 2023