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                "alt_text": "Researchers analyzing pulverized rock onboard NASA’s Curiosity rover have found the largest organic compounds on the Red Planet to date.Complete transcript available.Universal Production Music: “Labyrinth of Discovery” by Emma Zarobyan [SOCAN]Watch this video on the NASA Goddard YouTube channel.",
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            "release_date": "2019-11-13T00:00:00-05:00",
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            "release_date": "2015-03-05T14:00:00-05:00",
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                "media_type": "Image",
                "alt_text": "NASA planetary scientists Geronimo Villanueva and Michael Mumma discuss their findings regarding the ancient ocean of Mars.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.",
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                "filename": "Mars_Methane_Sources_Sinks_PIA19088.jpg",
                "media_type": "Image",
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