The NASA astronaut trained his camera on the northern ... "Flying over aurora; intensely green," Pettit wrote in the Monday (Jan. 5) X post, which didn't specify which part of the planet was ...

showing red and green aurorae The current six-month-long ISS mission is the fourth spaceflight for the 69-year-old Pettit, the oldest active member of NASA's astronaut corps. He has two other long ...