NASA’s Spitzer Space Telescope, designed to study the early universe in infrared light, was the first telescope to see light from a planet outside our solar system. Launched in 2003, Spitzer contained infrared detectors of unprecedented sensitivity, providing astronomers a never-before-possible look at the universe.
. . .
David Trilling, professor in Northern Arizona University’s Department of Astronomy and Planetary Science, is the lead author of “Spitzer’s Solar System… Read more