Record · 437 days
Longest Single Human Spaceflight
The longest single spaceflight was flown by cosmonaut Valeri Polyakov, who spent about 437 days continuously aboard the Mir space station in 1994–1995.
Highlights
- ›Valeri Polyakov aboard Mir
Missions, people & worlds
Knowledge connections
- Associated withMir
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.