PetaPixel September 08, 2026 • 11:47

Astronaut’s Before-and-After Photos Show How Cities Switched From Orange to White Light - PetaPixel

By Matt Growcoot

Over the course of 23 years.

Miami in 2012 lit by sodium vapor, left, and in 2025, lit by multi-colored LEDs. | Photos by Don Pettit / NASA
Over the past 15 years, cities at night around the world have undergone a transformatio… [+2348 chars]

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Astronaut’s Before-and-After Photos Show How Cities Switched From Orange to White Light - PetaPixel

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