What earth conditions would make a permanent bronze-colored sky?

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From a science-fiction development perspective I am looking for some plausible answer for the following:

What conditions (the more permanent, the better) would make for a bronze sky?

All the better, could we be currently creating those conditions?

For instance, the sky is typically blue based on the current conditions of our atmosphere and light. What conditions would make orange/brown appearance more prominent? Dull, lacking life.

Technically, a reddish-orange color would be acceptable too.

Either the sun itself or degenerate (or even natural) conditions can contribute to this.

atmosphere science-fiction

posted almost 9 years ago

Pipsqweek‭

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Dust/fines in the atmosphere would be able to do it.
Mars has a reddish sky because of this.
The reason is that the dust particles in the atmosphere absorb sunlight in the 0.4-0.6 Âµm range, giving it a red tint.

Could we do it? It would be harder on Earth, as the moisture in the air would collect around the dust and come down as rain.
You might get it to work for a little while, especially if it was super fine dust (fines) up really really high, but our weather would clear it up again before to long.

posted almost 9 years ago