NASA's Swift space observatory has ended its 22-year mission and is expected to fall back to Earth within weeks, after a planned rescue effort failed. Its archive of data on powerful cosmic explosions will remain available to scientists.
NASA's Swift observatory will re-enter Earth's atmosphere after 22-year mission
NASA's Swift space observatory has ended its 22-year mission and is expected to fall back to Earth within weeks, after a planned rescue effort failed. Its archive of data on powerful cosmic explosions will remain available to scientists.
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