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The origin of the solar system

The sun and the solar system was formed about 4.5 billion years ago. The solar system originated from a cloud, composed of gas and dust particles moving. Under the influence of its weight of it formed a disk in the center of which formed the Sun .

Gradually within the disk began to form solid materials. They faced each other, whereby a large celestial body. Their size corresponds to the existing planets. Inside the nebulae, where the temperature was high enough to form rocky planets. Far from the center formed the giant planets, they contain a large amount of ice, and they were surrounded by a thick layer of gas.

Within the Solar system the temperature even higher, and planets formed from rocky debris of the solar nebula. They are in contact with each other, forming a large celestial body. They attract each other by virtue of the power of the law of gravity and give birth to planets of terrestrial group. The atmosphere of the Earth and Venus, the largest among them, tight.

The atmosphere of Mars, a smaller planet is less dense, and mercury. the smallest planet of this group, it is very sparse compared to earth is not readily available.

Outside the Solar system,on the contrary, or due to the large number of large heavenly bodies, or because of the excess water formed a huge body, surrounded by natural satellites. Continue reading

The structure of comets

Unlike planets, comets move on highly elongated orbits, and therefore are visible only at short periods close to the Sun.

The main part of any comet is its nucleus .

According to the hypothesis of the famous American researcher of comets Fred Lawrence Whipple, cometary nucleus is an ice consisting of a mixture of frozen water and frozen gases interspersed with refractory rocky and metallic particles . Figuratively speaking, it looks like a “dirty iceberg”.

Let us imagine that we see the newly opened the comet, which is somewhere in the vicinity of Jupiter’s orbit. Seeing through the telescope hazy pale speck, like a spherical nebula (such unattractive are presented to the observer of a distant comet), we may be disappointed at first. With the approach of the comet to the Sun the solar flux increases. Comet “ice” begin to evaporate rapidly. Around the nucleus formed a vast glowing gas shell – coma. Together with the core of it is the head of the comet. Continue reading

For the non-refundable flight to Mars 52 Russians are selected

Dutch company Mars One intends to send the first volunteers to the Red planet by 2023. But our expert explains why it’s not going to happen

Organizers of large-scale colonization of the red planet have previously determined the volunteers who will fly to Mars by 2023

Organizers of large-scale colonization of the red planet have previously determined the volunteers who will fly to Mars by 2023. Dutch company Mars One is counting on that date for $ 6 billion to build a permanent base there.

Just primary have been selected 1058 candidates. Most of them are residents of the U.S. — 297 people. From Russia – 52 volunteers. But by 2015 the project managers will select 24 people who will go to Mars. By the way, the company warns that a return ticket is not provided.

Deep space is not for fools

Alexander milkus, the editor of the education Department of KP Continue reading

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The planet Jupiter
Jupiter, the fifth in distance from the Sun and the largest planet in the Solar system - distance from Sun-5.2 times further than Earth, and spends some turnover on orbit…

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The spaceships of our ancestors
Vitmaras called intergalactic ship ("Big sky Chariot"), able to endure "in her womb" to 144 spacecraft Wightman type. The Wightman is a spacecraft ("Small Heavenly Chariot"), fit for travel directly…

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Comet Churyumov-Gerasimenko may be inhabited by alien microbes
Comet 67P/Churyumov-Gerasimenko which is travelling now in the company of the device of the probe Philae and Rosetta could be inhabited, according to The Guardian . According to scientists, testifies…

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