The sun
The sun - the central body of the solar system - is a hot plasma ball. The sun is the star closest to Earth. The light from it reaches us…

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The first models of the world.
Despite the high level of astronomical information of the peoples of the ancient East, their views on the structure of the world were limited to direct visual sensations. Therefore, in…

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Star worlds
By the beginning of our century, the borders of the explored Universe had moved so far that they included the Galaxy. Many, if not all, then thought that this huge…

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the density

Achievements in space exploration

Many thousands of years ago, looking at the night sky, a man dreamed of flying to the stars. Billions of shimmering night luminaries made him carry away the thought into the boundless distances of the Universe, awakened the imagination, forced him to think about the secrets of the universe. Centuries passed, man gained ever greater power over nature, but the dream of flying to the stars remained as unrealizable as thousands of years ago. Legends and myths of all nations are full of stories about flying to the moon, the sun and the stars. The means for such flights offered by the folk fantasy were primitive: a chariot drawn by eagles, wings attached to the hands of a person.

In the 19th century, a fantastic story appeared by the writer Jules Verne “From a cannon to the moon”. The Continue reading

Uranus and Neptune

Uranus is the seventh planet from the Sun in the solar system. In diameter, it is almost four times larger than the Earth. Very far from the Sun and relatively poorly lit. Uranus was discovered by the English scientist W. Herschel in 1781. It is not possible to distinguish any details on the surface of Uranus due to the small angular dimensions of the planet in the field of view of the telescope. This complicates his research, including the study of the laws of rotation. Apparently, Uranus (unlike all other planets) rotates around its axis as if lying on its side. Such an inclination of the equator creates unusual lighting conditions: at the poles in a certain season, the sun’s rays fall almost vertically, and the polar day and polar night cover (alternately) the entire surface of the planet, except for a narrow strip along the equator. Since Uranus Continue reading

Man on the moon
Work on this program began in the USA in the late 60s. It was decided to carry out a man’s flight to the moon and his successful return to Earth…

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In search of a peace system
1. Introduction. The starry sky at all times occupied the imagination of people. Why do stars light up? How many of them shine in the night? Are they far from…

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New Age - New Solution
In each era, people in their dreams solved the problem of contacts with aliens, based on the technology of their time. Until the 18th century, people believed that the energy…

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Radiation of the sun
The radio emission of the Sun has two components - constant and variable. During strong solar flares, the radio emission of the Sun increases by a factor of thousands or…

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