ESA’s new Herschel Space Observatory and NASA’s Spitzer Space Telescope combine to show the Milky Way at its coldest and hottest. From NASA/JPL/Caltech’s Hidden Universe series.
ESA’s new Herschel Space Observatory and NASA’s Spitzer Space Telescope combine to show the Milky Way at its coldest and hottest. From NASA/JPL/Caltech’s Hidden Universe series.