What happened
A recent Astronomy Picture of the Day showcased an extraordinary atmospheric phenomenon called an anticrepuscular rainbow fan. This visual spectacle occurs when sunlight illuminates droplets of water in the atmosphere, creating a beautiful display of colors opposite the sun. The phenomenon is particularly striking during twilight hours, adding a magical touch to the evening sky.
Can you see it?
While the anticrepuscular rainbow fan itself is not something you can spot every night, you can look for similar atmospheric effects during the right conditions. When the sun is low on the horizon, especially around sunrise or sunset, and after rain or in areas with mist, you may observe faint rainbows or halos. These require no special equipment and can be seen with the naked eye, provided the conditions are right.
What it means for your nights out
This phenomenon reminds us that the sky is full of surprises, especially during twilight hours. If you're planning a night out under the stars, consider timing your outings around dawn or dusk after a rain shower. Keep an eye on the horizon for any potential light displays. Not only do these moments enhance your stargazing experience, but they also offer a reminder of the beauty of our atmosphere. So, be sure to bring your camera along; you never know when you might catch a glimpse of something extraordinary!
Originally reported by NASA. This summary was written by Dark Sky Guide.