网页Spitzer’s mission was to become NASA’s premier infrared light observatory, offering astronomers the chance to study the universe in this critical part of the electromagnetic spectrum of light with unprecedented clarity and sensitivity.
网页2003年8月25日 · NASA's Spitzer was the first telescope to detect light from an exoplanet, or a planet outside our solar system. Spitzer uses an ultra-sensitive infrared telescope to study asteroids, comets, planets and distant galaxies.