AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Physics and chemistry for understanding space · A guided course
From spectral lines to clocks and spacecraft power
Follow quantized light, nuclear change and radioactive clocks into evidence about worlds and the energy systems that explore them.
Suggested preparation is listed in the course · Start whenever you’re ready

Your place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
From a charge to a spacecraft power system
Turn patterns of light into evidence about places we cannot touch.
Atomic and nuclear physics
From spectral lines to clocks and spacecraft power
Start whenever you’re ready. Preparation is suggested, and every course stays open.
No follow-on course currently lists this one as preparation. Explore another subject or revisit an idea that caught your interest.
Browse all courses →One suggested order from the foundations to Atomic and nuclear physics. 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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