| 23 December |
Sagan, Feynman, DeGrasse and Nye |
Archive for December, 2009
| 23 December |
Soyuz Launch |
| 15 December |
WISE Liftoff |

Image Credit: Bill Hartenstein/United Launch Alliance
At 9:09am EST NASA launched its Wide-field Infrared Survey Explorer (WISE) aboard a United Launch Alliance Delta II rocket. WISE is expected to scan the entire sky in infrared light, which will pick up the glow of hundreds of millions of objects and will produce millions of images.
