Two optical illusions

Kimmo Huosionmaa

The illusion can be caused by the line of two objects. In this picture, the cloud, what is behind houses seems like smoke, what is rising from burning things. That picture is picture one (Picture I) on the homepage. This kind of illusions causes many kinds of problems in the fire- and other departments of the cities. Optical illusions are fascinating, and they are claimed to cause even death of the travelers. There is a link to the page, where those pictures have been uploaded.

http://kirjabloggaus.blogspot.com/p/two-optical-illusions.html

The classical thing is the phenomenon, called fata morgana, what means the illusion, where the rising air causes the effect of the water in very dry places. And this phenomenon can make a traveler drink too much water, and then the filling of those bottles is not available, but this kind of stories might sometimes from the people illusion.


The fata morgana can see even over the dry and hot streets if the person looks it in the direct angle. If the angle is right, the person would see things like water, and that explains, why children see this phenomenon more often than an adult. But when we are seeing optical illusions, there is another picture in this page (Picture II), and that is about the bubble inside the cloud. This kind of weather phenomenon can cause the alarm of UFO:s. But the thing is actually a  bubble of the empty area inside the cloud, and there is no steam inside this bubble. Or the other explanation would be, that there is the darker area in the cloud.

http://kirjabloggaus.blogspot.com/p/two-optical-illusions.html

Is this the solar sail-type spacecraft or optical illusion (Fata morgana)?

Kimmo Huosionmaa

Here is one picture, where is a strange formation in the sky. I see there a square, but it could also be some kind of optical trick. I have thought that maybe this strange square is actually solar sail experiment. But there is also more explanations, and who knows about this. Maybe it is the visitor from another star, who knows, and I had the opportunity to see it from the ground.

Artist's impression of solar sail
(Picture II)

And it can also be some optical trick. The equilateral square is very unusual form in the sky, and I must take a picture of it. The form can be caused by some kind of tests of communication systems, or it can be made on purpose, and there is one reason, what might be the reason for creating that kind of form to the sky. This could be the test of some communication lasers and for those systems must the clouds cut away from the radiation.


Or this form can be caused by very large Mylar layer, what is used in the huge sails, what is planned to use for the traveling in our solar system. This kind of huge sails would use the particle flow, what is called a solar wind to accelerate the probes in the space. Those sails are extremely huge, but very thin material, and their width is probably only a couple of atoms. That kind of structures can cause this kind of squares to the skies. But there could be many good explanations for that thing, and one is an optical illusion.

Sources


https://www.nasa.gov/mission_pages/tdm/solarsail/index.html

Picture II

https://www.nasa.gov/sites/default/files/thumbnails/image/475897main_080421-earthsail_3023x2006.jpg

https://sites.google.com/view/sunnyday01062018/square