=== Infrared spectrum ===On February 21, 2007, NASA released news that the Spitzer Space Telescope had measured detailed spectra from both HD 189733 b and HD 209458 b. ###>=== Spectre infrarouge ===Le 21 février 2007, la NASA annonça que le télescope spatial "Spitzer" avait mesuré le spectre détaillé de deux planètes, et .