
The immense Andromeda galaxy, also known as Messier 31 or simply M31, is captured in full in this new image from NASA’s Wide-field Infrared Survey Explorer, or WISE. Image credit: NASA/JPL-Caltech/UCLA

Comet Siding Spring appears to streak across the sky like a superhero in this new infrared image from NASA’s WISE — credit: NASA/JPL-Caltech/UCLA
During its survey, the mission is expected to find perhaps dozens of comets, including some that ride along in orbits that take them somewhat close to Earth’s path around the sun. WISE will help unravel clues locked inside comets about how our solar system came to be.


