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Exoplanet Atmosphere

NASA's Spitzer Space Telescope has captured for the first time ever spectra of two planets in another solar system. The data revealed clues about what kind of molecules are present in the atmophere of an exoplanet. Scientists hope someday tools like Spitzer will help them find "footprints of life" elsewhere in the cosmos. More can be found at, including a video(2) about the mission.
Image: NASA/JPL-Caltech


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