Earth & Moon · A guided course

Earth and Moon together

Read the changing Moon, follow its shadows, and measure a moving partnership.

Connect the Moon you can observe with the geometry and measurements behind its phases, eclipses, and tides. Discover why its familiar face changes subtly and how scientists know this partnership is still evolving.

5 lessons38 min of lessons + 6 min challengeBeginner

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No prerequisites · Learn at your own pace

NASA · Image source ↗

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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Inside this course

5 lessons

Each lesson builds on the last. Read the story, explore the sources, and check your understanding.

0 of 5 lessons complete

— / 475 pointsEarned in this course

Put it all togetherThe Earth and Moon challenge5 questions · 6 min · Final review

No account is needed to learn. Your correct answers keep their earned rewards.

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