As of August 2024, there were reportedly more than 700 unidentified objects in the Space-Track catalogue maintained by the 18th Space Defense Squadron. These are not alien spacecraft or mysterious ...
Kosmos-482, a spacecraft bound for Venus in 1972, was a time capsule from the Cold War when superpowers had broad ambitions for exploring the solar system. A cutaway diagram of the Venera 8 landing ...
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