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            "title": "Investigating the Martian Atmosphere",
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                "alt_text": "NASA's MAVEN spacecraft is quickly approaching Mars on a mission to study its upper atmosphere. When it arrives on September 21, 2014, MAVEN's winding journey from Earth will culminate with a dramatic engine burn, pulling the spacecraft into an elliptical orbit. For complete transcript, click here.Watch this video on the NASA Goddard YouTube channel.",
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            "description": "The Martian climate remains one of the solar system's biggest mysteries: although cold and dry today, myriad surface features on Mars carved by flowing water attest to a much warmer, wetter past. What caused this dramatic transition? Scientists think that climate change on Mars may be due to solar wind erosion of the early atmosphere, and NASA's MAVEN mission will test this hypothesis. Project Manager David F. Mitchell discusses MAVEN and the Goddard Space Flight Center's role in sending it to the Red Planet. || ",
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