Why Is the Sky Blue? (And Who Decided Sunsets Should Be Pretty?)
Update: 2025-10-22
Description
Why is the sky blue? And why do sunsets look like nature’s daily art show? In this episode of Explain It Like I’m 5, Alex unpacks the physics of light and the atmosphere.
From Rayleigh scattering (the reason blue dominates the sky) to why violet doesn’t win, and how sunsets filter into fiery reds and oranges, you’ll get the simple science behind one of Earth’s most beautiful mysteries.
Plus, fun sky facts—from Mars’ butterscotch skies to white clouds and black lunar skies—and a look at why humans evolved to find sunsets breathtaking.
New episodes every Monday and Wednesday!
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