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Mar 5, 2022, 7:44 am178 pts
Ars Technica
Enlarge (credit: janiecbros | Getty Images) For more than 20 years, the Landsat 7 satellite circled Earth every 99 minutes or so, capturing images of almost all the planet’s surface each 16 days. One of many craft that observed the changing globe, it revealed melting glaciers in Greenland, the growth of…
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