Refractive bending and delay through the Earth’s atmosphere at both radio/millimetric and optical/IR wavelengths are discussed, but with most emphasis on the former, and with Atacama Large Millimeter ...

Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

We've been talking about this for 2,000 years. Aristotle mentions it. And in our own time, scientists are designing experiments to ...

These coronagraphs, in turn, require careful control of the wavefront that directly impacts their performance. For ground-based telescopes, atmospheric refraction is also an important factor, since it ...

BISMARCK, N.D. (KFYR) - To create atmospheric optics we need two things: ice crystals in the air and a light source. All ...