ExplainerTools

Science · Interactive demo

Why does the Moon change shape?

Move the Moon around Earth and watch the visible lit fraction change while sunlight always illuminates one lunar half.

Created by ExplainerTools.

What you’ll explore

This interactive demo gives you a visual way into science. The key ideas include Moon phases, lunar orbit, sunlight, space.

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ExplainerTools collects interactive explainers, visual essays, and educational videos that help an idea make sense. Browse by subject, follow a topic, or find a creator whose way of explaining speaks to you.

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