A sweeping tour of the infrared universe as seen through the eyes of NASA's Spitzer Space TelescopeAstronomers have been studying the heavens for thousands of years, but until recently much of the cosmos has been invisible to the human eye. Launched in 2003, the Spitzer Space Telescope has brought the infrared universe into focus as never befor
A sweeping tour of the infrared universe as seen through the eyes of NASA's Spitzer Space TelescopeAstronomers have been studying the heavens for thou...