Questions tagged [atmospheric-optics]

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5
votes
1answer
226 views

How to predict when contrails are likely to form over a specific location using public data?

I saw the image below used as a click-attractor to an unrelated story about tourism, but found a larger version here. Contrails, or water condensation trails happen when planes pass through the ...
3
votes
1answer
95 views

Are there measurements or calculations that suggest atmospheric ice plates would be horizontal to within 0.1 degrees?

This question describes a recently released explanation for flashes of light seen at the sub-solar point above Earth from the DSCOVR satellite, which is located in a special orbit between the Earth ...
5
votes
1answer
76 views

What actually happens to reduce the perceived color in a 'white rainbow“ or ”fog-bow"?

The image below is included in the BBC article Amazing white rainbow snapped over Scottish moor. Apparently this phenomenon is sometimes called a "fog-bow" and is characterized by the washing out of ...
12
votes
1answer
1k views

What is an “exquisitely rare pollen corona”? How can pollen produce several tight rainbow circles around the Sun, and why pollen specifically?

The Forrest Mims YouTube video An Exquisitely Rare Pollen Corona shows a pair of rings closely circled around the Sun with rainbow colors; blue on the inside. The first annulus is easy to see, the ...