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NASA holds key Mars information
NASA has lost its primary source of information about Mars after the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft ceased operation entirely, which hampers studies of the planet's climate changes and limits the amount of data available about its atmosphere. The atmosphere is losing about 100 grams of mass every second due to solar winds and the absence of a magnetic field. The spacecraft entered orbit around Mars in 2014 to study the planet's climate, and its findings have contributed to understanding the process of atmospheric escape, the impact of solar storms, and have provided evidence of Mars's transition from a wet, warm environment in the past to its current cold and dry state.
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