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            "id": 13605,
            "url": "https://svs.gsfc.nasa.gov/13605/",
            "result_type": "Produced Video",
            "release_date": "2020-05-13T11:00:00-04:00",
            "title": "TESS Aids Breakthrough in Puzzling Stellar Flashes",
            "description": "Watch the pulsations of a Delta Scuti star! In this illustration, the star changes in brightness when internal sound waves at different frequencies cause parts of the star to expand and contract. In one pattern, the whole star expands and contracts, while in a second, opposite hemispheres swell and shrink out of sync. In reality, a single star exhibits many pulsation patterns that can tell astronomers about its age, composition and internal structure. The exact light variations astronomers observe also depend on how the star's spin axis angles toward us. Delta Scuti stars spin so rapidly they flatten into ovals, which jumbles these signals and makes them harder to decode. Now, thanks to NASA's Transiting Exoplanet Survey Satellite, astronomers are deciphering some of them.Credit: NASA's Goddard Space Flight CenterWatch this video on the NASA.gov Video YouTube channel. || Exterior_still.jpg (1920x1080) [460.3 KB] || 13605_Delta_Scuti_Pulsation_ProRes_1920x1080_2997.mov (1920x1080) [523.3 MB] || 13605_Delta_Scuti_Pulsation.mp4 (1920x1080) [36.1 MB] || 13605_Delta_Scuti_Pulsation.webm (1920x1080) [3.6 MB] || ",
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