Milestone · 1957 · Dawn of the Space Age
First Artificial Satellite
Sputnik 1 was the first human-made object placed in orbit around the Earth, opening the space age.
Highlights
- ›Sputnik 1, 1957
Missions, people & worlds
Knowledge connections
- Part ofDawn of the Space Age
- Associated withSputnik 1
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.