A Soviet spacecraft launched in 1972 is falling back to Earth after 53 years. It is expected to enter the Earth’s atmosphere early Saturday morning, but exactly where is unclear. The spacecraft, Kosmos 482,

Time was, the Soviet Union fairly owned Venus. From 1961 to 1983, the U.S.’s old space race rival launched 16 probes, Venera 1 through Venera 16, that either flew by, orbited, or landed on Venus—with three of them failing en route.

Kosmos-482, a failed mission to Venus from the former Soviet Union that stalled in Earth orbit in the 1970s, is about to fall back to our planet. Exactly where or when it will strike, however, remains