Randomness?

I love clouds. I follow weather channels. So I was thinking about how random clouds were.

The air in the atmosphere has a distinct profile:

Nitrogen, oxygen, water vapor, argon, and carbon dioxide account for about 99% of the composition of air. Notice that the majority of the gas in our atmosphere is nitrogen? And how did Argon play a part in life on Earth?

Then we have all the greenhouse gasses that will kill the planet: Methane is .0002%, Carbon Monoxide is too small to measure, Nitrous Oxide isn’t even on the list, and Ozone is .000007% which translates to 2 to 8 parts per million. That means that if you got a million molecules of atmosphere, only between 2 and 8 of them would be Ozone.

I thought it would be oxygen and carbon dioxide. Here’s the breakdown according to Thoughtco.com:

• Nitrogen — N₂ — 78.084%
• Oxygen — O₂ — 20.9476%
• Argon — Ar — 0.934%
• Carbon Dioxide — CO₂ — 0.04%
• Neon — Ne — 0.001818%
• Methane — CH₄ — 0.0002%
• Helium — He — 0.000524%
• Krypton — Kr — 0.000114%
• Hydrogen — H₂ — 0.00005%
• Xenon — Xe — 0.0000087%
• Ozone — O₃ — 0.000007%
• Nitrogen Dioxide — NO₂ — 0.000002%
• Iodine — I₂ — 0.000001%
• Carbon Monoxide — CO — trace
• Ammonia — NH₃ — trace

You’d think that the gasses in air would be fairly equally dispersed in the atmosphere, but they aren’t. What makes the clouds then? The air contains water vapor, but due to the heating of the air by direct radiation of the sun and reflected radiation from the planet, the air becomes less dense as it collects water vapor and as it cools, the vapor condenses into water droplets which makes it denser. But it isn’t as dense as dry air. Since there is a difference between dry air and the moist air, the dense dry air moves to the less dense locations because it doesn’t like being dense. Hence…WIND. The atmosphere’s concentration of gasses changes according to the temperature and the altitude. To do that, it has to be acted upon by a source of energy. We take it for granted that clouds exist, that it rains/snows, that it moves powerfully enough to uproot trees and buildings, and that gasses in concentrations so tiny as to be nearly 0 can affect the climate of a whole planet.

So back in the beginning, when the universe was just gas, it may not have been evenly distributed. It could not have been in equilibrium because then the only motion of the gaseous molecues would have been their vibration. The space between the molecules would have been too great for them to influence each other. Then it occurs to me. Why were there molecules?

Wouldn’t the only element be hydrogen? What stirred the pot? There had to be some type of energy that moved these molecules of hydrogen in such a way that they ran into each other. There was no heat. There were no other particles other than hydrogen so they weighed the same. Instead of the dense concentrations of hydrogen spreading out among the less dense, they contracted to make stars? If you put hydrogen into a balloon, you don’t get a baby star. They repel each other in normal circumstances. It’s only when there are enough molecules of hydrogen that they develop gravity. I don’t know how to figure out what changes an element from repelling to attracting, or at what concentration it starts to form its own gravity. We’d kinda need to know that wouldn’t we?