On March 16, 1966, the crewed Gemini 8 spacecraft became the first to dock with another spacecraft in space. See how it happened in our On This Day in Space video series.
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- On This Day in Space! ISS Astronauts Toss ‘SuitSat’ Overboard
- See the Whirlpool Galaxy Through the Eyes of the NASA’s ‘Great Observatories’
- This Is the Purest Beam of Light in the World
- Hyperfast Shock Waves from a Supernova Heat Atoms to Blazing-Hot Temperatures