ILLUSION — Optical Illusions

The Underwater River

The underwater photo in depth of 28 m. Angelita. Mexico. Something like a well. At the depth of 29-30 m there is a

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Planet’s 15-year history

National Oceanic and Atmospheric Administration collects pictures of Earth from the 4 satellites. Daylight photos are dull and the night ones bring some interest. The point is that where there’s light there are those who turn it on and the supplying energy. And where there is no light at night, there is no life. Or maybe there is but with no light. The observations have been held since 1993. And if we impose the night frames made ten years ago and the present day’s ones, we’ll see an amazing picture. The color of every point has its own value showing the change in light intensity. The most interesting are: red – night light appeared at this point and there is life now; blue – light (life) is gone here. Russia – the country of the blue points.

Sky Roll

What kind of a cloud is it? It’s a storm ruff. These rare stretched clouds can be formed around

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Silver Clouds

Sometimes it’s night down here and it’s daylight in the sky. During its 24-h rotation Earth overshadows the Sun and we see sunset at the skyline. When the Sun is down for us,

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Eagle Castle Columns

What illuminates this star formation castle? The Eagle Nebula known to many people shines at different colors at once. Today’s picture was

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A black hole in a sheet

Most of the photos can’t depict the whole brilliance of the solar corona. The best, of course, is to watch it yourself during the full solar eclipse. Human’s eye can see much more details than a photo-film can capture. Anyway…

Flower Aurora

Not every aurora can boast the great number of its details. At the picture taken by a photographer with an ordinary digital camera in the Canadian province Alberta you can see the

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Triple Sunrise

How can one sun rise three times? In July 10 2009 the amazing triple Sunrise was pictured in

The Moon Illusion

Does the Moon really look bigger when it’s close to the horizon? No, the visible size of the Moon doesn’t depend on its position in the sky as it’s shown above. Strange, but the reasons of this known moon illusion are still under discussion.

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The close and the far Sun

Do you know that the Sun we see can change in size? In July 4 2009 Earth passes the aphelion – the point where Earth is the farthest from the Sun on its elliptical trajectory around it. Actually it doesn’t influence

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