AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
What early encounters teach us about spacecraft, evidence and partial success
Follow the early Soviet Mars effort through flybys, combined orbiter-and-lander missions and the four-spacecraft 1973 campaign. Separate planned goals from returned observations and examine the engineering choices behind them.
Suggested preparation is listed in the course · Start whenever you’re ready

Alexxx1979’s photograph of the Mars 3 lander model at VDNKh, Moscow, in 2019. This is a museum exhibit, not a surface photograph from Mars. Full frame retained; display copy resized and compressed.
Alexxx1979 / Wikimedia Commons · Image source · CC BY-SA 4.0Your place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
Venus, Mars and a comet: four programs, different kinds of evidence
From an antenna beam to a usable message
The Soviet Mars program
What early encounters teach us about spacecraft, evidence and partial success
Start whenever you’re ready. Preparation is suggested, and every course stays open.
A small moon, ambitious instruments and the limits of a mission’s final phase
One suggested order from the foundations to The Soviet Mars program. 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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