optics

image of the speed of light

The speed of light actually looks even cooler than it does on Star Wars

By Elizabeth Rayne 2 years ago

The very tippy top of a rainbow peeks out above the Colorado Rocky Mountain foothills. Credit: Phil Plait

Top o' the rainbow to ya!

By Phil Plait 3 years ago

A fogbow created by the tiny droplets of water in a fog with strong sunlight behind the observer. Credit: Phil Plait

A perfect morning, wrapped up in a fogbow

By Phil Plait 4 years ago