AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
Reading the atmosphere in filtered sunlight
Follow Canada’s atmospheric experiment from solar occultations to gas profiles, changing chemistry and reproducible long-term evidence.
Suggested preparation is listed in the course · Start whenever you’re ready
SCISAT-1 after uncrating at Vandenberg Air Force Base in June 2003. NASA’s original photograph shows the actual spacecraft during ground preparation, with instrument labels visible on the supporting equipment. It is not an artist’s view of the satellite in orbit. Full original frame retained.
NASA/Kennedy Space Center · 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.
Follow air, water, and energy through a changing system
SCISAT and atmospheric chemistry
Reading the atmosphere in filtered sunlight
Start whenever you’re ready. Preparation is suggested, and every course stays open.
Infrared signals, moving air and a long record
One suggested order from the foundations to SCISAT and atmospheric chemistry. 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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