From NYTIMES.COM/DOTEARTH: Astronaut Don Pettit created an astounding video using a sequence of still images he shot of the aurora borealis (northern lights) from the International Space Station. For more on Dr. Pettit and the Earth from space, visit dotearth.blogs.nytimes.com

From NYTIMES.COM/DOTEARTH: Astronaut Don Pettit created an astounding video using a sequence of still images he shot of the aurora borealis (northern lights) from the International Space Station. For more on Dr. Pettit and the Earth from space, visit http://dotearth.blogs.nytimes.com …