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         "text" : "In the United States, Blue Origin launches NASA's ESCAPADE spacecraft mission to study Mars' magnetosphere. It is the second launch of Blue Origin's New Glenn launch vehicle, and the first successful landing of the vehicle's reusable first stage. ",
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         "text" : "Scientists report that Mars has a solid inner core of iron and nickel about 613 kilometers in radius, surrounded by a liquid outer core, based on seismic data from NASA's InSight lander. ",
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         "text" : "Four volunteer NASA crew members finish the first 378-day Crew Health and Performance Exploration Analog mission to simulate living on Mars at the Johnson Space Center in Houston, Texas, United States. ",
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         "text" : "NASA's \"Perseverance\" finds evidence that an ancient river delta on Mars held a crater-filling lake billions of years ago. ",
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               "text" : " \"Perseverance\" finds evidence that an ancient river delta on Mars held a crater-filling lake billions of years ago. "
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         "hash" : "9839e4b950c383d71afe198f1ac145da941ee1a0",
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         "text" : "NASA announces that its \"Curiosity\" rover has detected the largest ever measurement of methane on Mars. "
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         "date" : "2018-06-7",
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         "text" : "NASA announces the discovery of preserved organic matter in an ancient lake bed on Mars by its Curiosity rover. It has not been determined if the matter was potentially related to past life on Mars or not. "
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         "text" : "NASA's Mars \"Curiosity\" rover reaches its final destination Aeolis Mons, a mountain that rises 5.5 km at the center of Gale Crater. ",
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         "text" : "NASA Curiosity Mars rover begins its mission to its destination and drives to Mount Sharp. ",
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         "text" : "NASA holds a media conference to announce new discoveries about Mars made by the Curiosity rover. It was found that the planet could have once supported life. ",
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   "text" : " NASA announces that the \"Curiosity\" rover has detected more than 20 organic molecules on Mars using a chemical analysis method involving tetramethylammonium hydroxide, conducted for the first time on another planet, indicating the long-term preservation of compounds associated with prebiotic chemistry. "
}