AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
Sound the ionosphere and rescue its scientific memory
Build a reliable radio observatory, read an ionogram, test a density model and recover the evidence behind Canada’s pioneering satellites.
Suggested preparation is listed in the course · Start whenever you’re ready
Canadian engineers check Alouette data-processing equipment at the DRTE Ottawa reduction centre. Published in NASA Facts, 1964; reproduced by CSA in 2023. The people in this photograph are not individually identified by the source. Full published frame retained.
NASA, Alouette: Canada’s First Satellite — NASA Facts, 1964 · Image sourceYour place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
Turn patterns of light into evidence about places we cannot touch.
From a detected signal to a defensible measurement
Canada’s Alouette satellites
Sound the ionosphere and rescue its scientific memory
Start whenever you’re ready. Preparation is suggested, and every course stays open.
A shared spacecraft, distinct measurements
Coordinate radio, light and particle measurements
One suggested order from the foundations to Canada’s Alouette satellites. Shared starting points appear once; skip anything you already know.
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Each lesson builds on the last. Read the story, explore the sources, and check your understanding.
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