The Sun's Secret Green Identity Crisis

The sun's peak emission wavelength is around 500 nanometers, which falls smack in the green part of the visible spectrum. Yet somehow the sun appears yellow-white to us! This cosmic prank happens because the sun emits across the entire visible spectrum, and when all those wavelengths hit our eyes together—boom, we perceive white-ish light with a yellow tint (thanks atmosphere for the color filtering).

This historical gentleman's reaction is basically every astronomy student when they first learn this mind-blowing fact. Green sun?! Next you'll tell me the sky isn't actually blue! (Spoiler: it's not, it just scatters blue wavelengths more... but that's a meme for another day!)