AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
An orbital outpost design and a changing lunar strategy
Study Gateway’s former lunar-orbit architecture, its international engineering interfaces and the 2026 shift toward other uses of its hardware.
Suggested preparation is listed in the course · Start whenever you’re ready

NASA concept illustration of Gateway’s former architecture. This is a design rendering, not a photograph of an assembled station in flight; the program was paused in its existing form in 2026. Display image resized and compressed.
NASA · Image sourceYour place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
A crew spacecraft from launch escape to ocean recovery
Building and sustaining a shared orbital laboratory
Gateway
An orbital outpost design and a changing lunar strategy
Start whenever you’re ready. Preparation is suggested, and every course stays open.
From a Gateway design to new lunar possibilities
One suggested order from the foundations to Gateway. Shared starting points appear once; skip anything you already know.
Then: Gateway →
— earned
Earn each reward once. Retries never cost points.
Loading saved points… View your learning awards →
Each lesson builds on the last. Read the story, explore the sources, and check your understanding.
0 of 4 lessons complete
No account is needed to learn. Your correct answers keep their earned rewards.
From the learning community
What worked for you? Help the next learner choose where to begin.
Loading reviews…
Sign in to review this course. Complete a lesson check and save it to your account first.
Languages are chosen by reviewers. Ratings above include all languages.