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Cluster's final mission: European satellite Salsa to re-enter Earth's atmosphere after 24 years
The mission was initially expected to last two years but continued for 24 years. Salsa is one member of a four-piece group called Cluster with three other identical satellites, Rumba, Tango, and ...
MIT Technology Review8d
The world’s next big environmental problem could come from space
To stop them from becoming space junk, satellite operators send spacecraft to burn up in the atmosphere at mission’s end. The ...