Questions tagged [atmospheric-optics]

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5
votes
1answer
113 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 ...
4
votes
2answers
111 views

Why are these patterns of scattered sunlight aligned to the local horizontal and vertical directions?

The information discussed in the CleanTechnica article Full Fledged 5 Alarm Climate Emergency In Antarctica is certainly disconcerting, but the stock photo of the sky and various atmospheric phenomena ...
6
votes
2answers
2k views

On the light difference between morning and afternoon

It is long time that I am looking for what physical reason explain this observation: the sun ambient light between sunrise and midday is crispy, somehow whiter than that of the afternoon hours. In ...
3
votes
1answer
65 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 ...
3
votes
1answer
130 views

Explanation for single rainbow that contained colors several times

I saw a rainbow outside Silverton, CO last week that for a few minutes seemed to show part of the color cycle (red to purple) several times within the same band. This picture is how it looked to my ...
8
votes
1answer
284 views

Why does the road appear wet on a sunny day?

Whenever I'm travelling by road on a hot sunny day and I look towards the horizon, it appears as though there is puddle ahead but as I approach it, it disappears. Why does this happen?
16
votes
2answers
3k views

Why do clouds sometimes form a ring around the Sun?

Someone shared a video with me in which clouds were forming a ring around the Sun. I took this screen shot of that video: What is the reason behind this?