Although ufologists first started talking about them back in 1954, to this day no one knows what they are, and not a single scientific hypothesis has yet been able to explain this phenomenon.
Although there is enough historical evidence that this phenomenon is not something inherent only in our time: unusual precipitation has been repeated a huge number of times over the centuries. They were not all identical and did not always consist of the same substance.
In some cases, witnesses talked about cobwebs, in others - this substance was described as foam, bubbles, gel, dust, etc. All these strange sediments were called angel hair by the Americans, the Italians - silicon wool, the French - the children of the Madonna.
However, despite the significant amount of evidence supporting the existence of this phenomenon, scientists have not advanced very far in studying it. Although something about a strange phenomenon is still known. So, according to eyewitnesses, these precipitations fall out of clouds, from afar similar to ordinary rainfall, but which do not seem to be like that up close.
And apparently, this phenomenon has nothing to do with air temperature and occurs both in cold climatic zones and in tropical ones.
According to the descriptions, "angel hair" can be something like ectoplasm - a substance that the bodies of mediums release during trance, but falls out of a strictly defined place in the sky and at the same time is clearly not formed in the atmosphere - similar to ordinary precipitation.
In addition, pointing out the different structure and quality of these sediments, eyewitnesses also note common features inherent in them: it is a thick, whitish substance that falls relatively slowly, but disappears rather quickly, even in sealed vessels. However, in this case, the release of thermal energy or other chemical effects is not observed. The substance simply disappears, as if it did not exist.
If it is a fibrous material, its individual translucent fibers have a diameter of about 0.1 micron and have significant tensile and twisting resistance. True, usually the bulk of the fibers are entangled into lumps or individual threads about 20 microns thick. When exposed to heat, it darkens and volatilizes, leaving a melting, transparent precipitate composed of boron, silicon, calcium and magnesium.
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Most scientists try to reduce the explanation of this phenomenon to natural, but little-studied processes or known natural phenomena. For example, many believe that spiders from the Linyphiidae family play a major role in the development of angel hair. On cool days with abundant morning dew, this species begins a massive migration.
As the sun dries up the dew, updrafts are formed. Then the spider climbs to the top of a plant, lifts the edge of the abdomen and secretes a cobweb thread from it, which, having solidified to the state of solid fibers, is picked up by the air current and transports the spider to another place.
However, this version cannot explain, for example, why the substance evaporates and disappears (after all, this cannot be said about the web), nor why none of the eyewitnesses ever mentioned spiders, although during mass migrations they should have come across in hundreds …
South American scientist Guillermo Aguilera, who personally witnessed the fall of the "angel hair" to the ground, wrote: “I witnessed a real shower of this substance and could even touch it with my hands. The feeling was as if you were immersing your hands in something warm, but this does not last long, because the substance quickly disappears, as if it is melting. I didn’t have the impression that it was a spider web.”
So what is it really? The study of the chemical composition of "angel hair" gave scientists reason to assert that they are structurally close to biological objects, in particular to plant organisms. Some of the researchers, for example Trevol Constable, argue that we are talking about some living organisms that live in the upper layers of the stratosphere.
But, as in the case of the spider web, this is just a hypothesis, which still has no actual confirmation. Most likely, according to a number of experts, this is some kind of phenomenon still unknown to science, associated either with changes in the gas composition of the atmosphere, or with chemical reactions taking place in it.
From the book "177 Secrets and Wonders of the World"
