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originally posted by: network dude
originally posted by: luxordelphi
So what seems worthwhile to me is to somehow avoid those methane skies by, perhaps, stopping jet emissions into the stratosphere.
What Jet emissions are you referring to? Regular flights, or proposed geo-engineering that isn't taking place yet?
originally posted by: eriktheawful
a reply to: luxordelphi
Because, and I'm not trying to insult you here, you are not understanding what you are reading.
Take a look at this picture:
The Rayleigh scattering in opalescent glass makes it look blue, because it is reflecting blue light back.
However, take a look at the light hitting the ground: it's an orange/yellow color.
If our atmosphere had the same concentrations of methane that it had 2.5 billion years ago (thousands of times more than now), the Earth would look very blue from space.
But people on the ground (wearing oxygen tanks because concentrations of methane high enough to change the sky color would kill us) would not see a blue sky. They would see more purple color due to red scatter.
So a deep rich blue sky means that we have lots of oxygen. Guess what color oxygen is when we compress it into a liquid?
Blue.
originally posted by: luxordelphi
I'm referring to stratospheric jet emissions. And to chemtrails, geoengineering on a massive global scale which has totally ruined our climate (at least in the northern hemisphere.) I'm referring to the doddering geniuses that thought trashing our skies was benign and so ok.
originally posted by: luxordelphi
a reply to: eriktheawful
Why would Rayleigh only scatter in one direction? In space, where planets are, there is no up or down. If I look through my sunglasses the wrong way, everything looks the same as when I look the right way.
Titan looks the same: inside or out. Earth looks the same: inside or out. You've got me wavering a bit on Neptune because there's no water vapor...only ice. And no free oxygen. Still...compressed ice is blue (without Rayleighs' intervention.)
Judging by the color of its atmosphere, the sky of Neptune is probably an azure or sky blue, similar to Uranus's.
Neptune could have a somewhat familiar looking sky but with a much deeper blue.
Judging by the primary chemical composition of the atmosphere of Neptune, you're likely to see a light baby blue not unlike what you would see here on Earth.
originally posted by: luxordelphi
White-out conditions should be the current norm in our skies because of the (observable) rate at which they are being trashed.
originally posted by: luxordelphi
a reply to: 3danimator2014
You kind of remind me of the Avon lady of yesteryear. Because you made no contribution to this topic in your post, out of politeness, I'm just responding in non sequitur kind. Should you choose to become topical - feel free.
originally posted by: 3danimator2014
Telling you that you clearly don't understand basic science IS being topical as well as contributing to the post.
originally posted by: mrthumpy
originally posted by: luxordelphi
White-out conditions should be the current norm in our skies because of the (observable) rate at which they are being trashed.
I think you need to explain your reasoning behind that statement and maybe provide some supporting evidence.
Have you looked at the sky recently? If so, what color was it? If you don’t know, you’re not alone, for it’s common for people not to notice the sky, much less its color. This activity will explain why the sky is not always blue.
Sometimes thick pollution causes the sky to appear white, but a clean sky is blue.
In many places air pollution causes haze that causes the sky to appear pale blue or even milky white. Layers of air pollution can cause the sky over the horizon to appear brown or gray. Air pollution can take many forms. It can be gases and vapors, mists and droplets or tiny particles of carbon or other materials.
The color of the sky provides valuable clues about its condition.
A deep blue color means a very clean sky. A deep blue sky can occur when a cold front brings in clean, unpolluted air from the north. A deep blue sky can also occur when clean air from over the ocean is pushed over the land.
A medium blue sky suggests there might be plenty of water vapor in the sky. It can also suggest the presence of sulfur from coal burning power plants. In some regions a medium blue or even pale blue sky can be caused by emissions from plants and trees.
A pale or milky white sky suggests the possibility of considerable air pollution in the form of sulfur from coal-burning power plants or certain chemical plants. In some areas this condition occurs mainly in summer when the air is still and pollution accumulates.
The GLOBE Program has developed a general classification guide for sky color:
Deep blue (unusually clear)
Blue (clear)
Light blue (somewhat hazy)
Pale blue (very hazy)
Milky (extremely hazy)
You guys keep going on about the loss of deep blue skies when there clearly are still very deep blue skies everywhere around the world.
Deep blue (unusually clear)
“Ordinary people can feel that the air is bad, and see that the sky isn’t blue,” says Meng Si. “When you see that gap for youself, it’s easy to feel disgusted that the government is treating us like idiots.”
originally posted by: luxordelphi
originally posted by: network dude
originally posted by: luxordelphi
So what seems worthwhile to me is to somehow avoid those methane skies by, perhaps, stopping jet emissions into the stratosphere.
What Jet emissions are you referring to? Regular flights, or proposed geo-engineering that isn't taking place yet?
I'm referring to stratospheric jet emissions. And to chemtrails, geoengineering on a massive global scale which has totally ruined our climate (at least in the northern hemisphere.) I'm referring to the doddering geniuses that thought trashing our skies was benign and so ok.
originally posted by: mrthumpy
a reply to: luxordelphi
So you think white-out conditions should be the current norm in our skies based on nothing more than your opinion. Got it. Thanks