The particular advantage of the NEOWISE Satellite is that when we look with infrared light we’re able to sense asteroids that reflect a lot of sunlight as well as those that absorb a lot of sunlight, things that have very dark, colored surfaces. With these darker colored asteroids, they’re harder to see because they’re faint, but they glow brightly in infrared light, they emit a lot of heat, and because of that we’re able to pick them up with our infrared telescope.