Timeline of longest spaceflights
timeline-of-longest-spaceflights-1752882395613-5e8245
Description
Many of the first human spaceflights set records measured in hours and days, the space station missions of the 1970s and 1980s pushed this to weeks and months, and by the 1990s the record was pushed to over a year and has remained there into the 21st century.
ID: timeline-of-longest-spaceflights-1752882395613-5e8245
