Nuclear Reactor in Space: The SNAP 10A Story on the Early 1960s

Uranium (Nuclear Minerals) / Related Environmental Issues / Training Programs (Professional & Health & Safety)

Date posted: 12/19/09

In 1965, the United States launched a small, experimental reactor, the first U.S. nuclear reactor into space. After testing, it was shut down after 43 days of operation, but remains in orbit. Re-entry into the Earth's atmosphere is anticipated in about 4,000 years.