The aurora, also known as the northern lights (aurora borealis ... in a wide variety of colors — from green to pink to blue and purple — that can leave skywatchers both mesmerized and mystified.

Faulty LED streetlights have been turning purple for years across America. As the lights fail ... it was necessary to mix other colors with blue LEDs – just as sunlight is not actually white ...

The auroras — the northern and southern lights — are undoubtedly one of ... that it can be seen from far away. What Causes ...

No matter how many times you see them, the northern lights, or aurora borealis ... iridescent sheets of green and red (or sometimes blue and purple) light. And this week, across the northern ...

Stargazers will be in for a treat tonight – the Northern Lights will be visible over parts of the UK. The Met Office has said the influence of a solar wind stream and a glancing coronal mass ejection ...

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish ... What you are talking about is a blue light and they are ...

turning the color back to blue or purple. Like most utilities, Duke Energy adopted the 4,000 Kelvin color — similar to moonlight — as the national industry standard for safe street lights.

"Either neon gas, which lights up reddish-orange, or argon gas with mercury in it, which lights up blue." Neonworks employee Bing Reising works at the Camp Washington workshop. Reising started bending ...