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TD1A, Europe's First Astronomical Satellite
- Title TD1A, Europe's First Astronomical Satellite
- Length 00:21:20
- Language French
- Footage Type Documentary
ESRO's first astronomical satellite, TD-1A, is due to be launched in February 1972. Observing in the ultra-violet wavelength band, it will map the stars. This film contains footage of the pre-flight preparation - construction and testing - of the satellite, and describes how the onboard scientific instruments will work.