←Back to all posts
•1 min read•from PetaPixel

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

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

A side-by-side comparison of a city at night, showing the same area illuminated by warm, orange-toned sodium lights on the left and cooler, blue-toned LED lights on the right.

Over the past 15 years, cities at night around the world have undergone a transformation: instead of being bathed in warm, orange sodium vapor light, they're now lit up by brighter, white LED lights.

[Read More]

Want to read more?

Check out the full article on the original site

View original article→

Tagged with

#LED lights
#sodium vapor light
#light pollution
#urban lighting
#city lights
#astronaut photography
#night photography
#satellite imagery
#orange light
#white light
#light spectrum
#color temperature
#luminescence
#urban development
#environmental impact
#energy efficiency
#night sky
#illumination
#temporal change
#Miami