Astronomy
Why the Moon Changes Shape Over a Month
Why the Moon changes shape over a month becomes clear with one mental model: follow its sunlit half as the Moon moves…
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Astronomy
Clear explanations of celestial objects and the motions that shape the sky.
Our point of view
The sky belongs to everyone who looks up.
A little orientation can turn a scattered field of stars into a place to explore. We pair clear explanations with attention to the ways people have looked upward together.