Point Nemo, the oceanic pole of inaccessibility, is the most remote location on the Earth's surface, situated at 48°52.6′S 123°23.6′W. It is a point in the South Pacific Ocean that lies approximately 2,688 kilometers from the nearest landmasses: Ducie Island, Motu Nui, and Maher Island. Because of this extreme isolation and the paucity of shipping traffic, the region has been designated as the "South Pacific Ocean Uninhabited Area," serving as the primary terrestrial graveyard for decommissioned spacecraft.
The process of disposal is a violent transition of states. Spacecraft that are too massive to be entirely consumed by the thermal energy of atmospheric re-entry—where air compression generates temperatures sufficient to melt aluminum and titanium alloys—are controlled to "splash down" within this region. Between 1971 and 2016, more than 263 spacecraft were disposed of here, including the defunct Soviet space station Mir and six Salyut stations.
The physical remains of these objects undergo a secondary descent. Upon impact, the scorched, fragmented husks of the stations—composed of high-grade alloys, ceramics, and solar array glass—sink through the water column. They settle on the abyssal plain, where they are subjected to pressures exceeding 1,000 atmospheres. The environmental impact is characterized not by the volume of the debris, but by the chemical nature of the remnants. The spillage of hydrazine, a highly toxic, colorless liquid used as a rocket propellant, introduces a potent neurotoxin into a biological zone that is otherwise nutrient-poor.
At Point Nemo, the discard is absolute. Unlike the terrestrial e-waste dumps of the Global South, there is no informal economy of recovery. There are no scavengers to strip the copper or burn the plastic. The ruins of the space age exist in a state of permanent, anaerobic silence, slowly being colonized by deep-sea organisms or buried by the slow rain of marine snow, far beyond the legal jurisdiction of any sovereign nation.