Subject

Space and the Cosmos

Stars, black holes, the Big Bang, the seasons — the universe explained from intuition up, not equations down.

Articles

Why We Have Seasons — It's the Tilt, Not the Distance Seasons aren't caused by Earth getting closer or farther from the Sun. They're caused by Earth's axial tilt, which changes how directly the Sun's rays hit each hemisphere over the year.

Where to go next

A short editorial reading list. Pick whichever fits how you like to learn.

Wikipedia: the formal definition, cross-references, and citations

Comments 0

No comments yet. Be the first to share your thoughts.