Spaceflight, step by step

Find your next
learning path.

Why go to the Moon? How do you get there? Who makes it possible? Follow a course that connects the people, the science, and the history of spaceflight.

Learning points

— earned

Correct answer: +10
Lesson complete: +25
All lessons complete: +100
Final challenge: +50

Earn each reward once. Retries never cost points.

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Available courses

Start curious. Build understanding.

Apollo 9’s lunar module above Earth during its first crewed test flight — NASA · Apollo 9 · Image source ↗

Our first course · Beginner

The Apollo program

How we reached the Moon—and what we learned there.

Follow one connected story from a Cold War challenge to lunar exploration. Understand the spacecraft, meet the people, work through the risks, and discover why the science still matters.

6 connected lessons54 min of lessons + 8 min challenge

Explore the course

Start learning

No prerequisites · Learn at your own pace

01 / Get the big picture

Start with a question.

Understand what a program set out to do, and the world that shaped it.

02 / Follow the connections

Build the whole story.

Move through purposeful lessons with readings, source material, and optional video.

03 / Make it stick

Put ideas together.

Try a short understanding check, then pick up where you left off.

Keep exploring

A whole archive behind every lesson.

Follow your curiosity into mission records, biographies, spacecraft, and the wider history of spaceflight.

Meet the astronauts →

Explore the archive