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Дата изменения: Sat Oct 14 21:04:27 2000
Дата индексирования: Mon Oct 1 23:47:52 2012
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Поисковые слова: spiral galaxy
lotsofgalaxiеse

The congestion of galaxies

The divisity of galaxies.

The galaxies are the giant (to hundred of billions of stars) star systems, where the stars are connected by gravitation laws with each other. Take for instance our Galaxy. The galaxies are divided into elliptic (E); spiral (S) and irragular (Ir). The nearest to us galaxies are Magellan's clouds (Ir) and Andromeda nebula (S). The galaxies formed congestions.

The elliptic galaxy М 87
The elliptic galaxy М 87

The Great Magellan's cloud
The Great Magellan's cloud

 

Andromeda
    Nebula

Andromeda
    Nebula

Andromeda Nebula (to the right is enlarged fragment)

 

Ther galaxy NGC 3031
Ther galaxy NGC 3031

The galaxy Sombrero
The galaxy Sombrero

М 81 and М 82 galaxies
М 81 and М 82 galaxies

Spiral galaxies.

Spiral galaxies (S) present one of the main type of galaxies (50% from all the majority). Their mass is 10^12 МD. Each spiral galaxy has a core a flat disk where the spiral brancher locate. The stars and interstellar substance of spiral galaxies rotate around the core.

The spiral galaxy M 51
The spiral galaxy M 51

The spiral galaxy M
100
The galaxy M 100

The spiral galaxy М 83
The galaxy М 83

 

The spiral galaxy m33

Газовая туманность NGC 604 в галактике М 33

The galaxy М 33 (to the left) and gas nebula in it (to the right)

 

The spiral galaxy NGC 891
The spiral galaxy NGC 891

The galaxy NGC 1365
The galaxy NGC 1365

Galaxies with an active cores.

In every galaxy, besides the largest galaxies, a central part is stand out. This is a core. In normal galaxies, such as our Galaxy, the great brightness of the core is accounted for the high concentration of stars.

There are galaxies with especially bright cores. In such galaxies we can watch a bright source looks like a star and a luminous gas which moves on a great speed - thousands of kilometers in a second. Galaxies with an active cores were found out by Carl Seyfert in 1943 and later got the name of seyfertous galaxies. Today we know thousands of such ojects.

The galaxy with the jets
The galaxy with the jets

The nucliar region of galaxy NGC 1068
The galaxy NGC 1068

Radiogalaxy Centavre A
Radiogalaxy Centavre A

The intarective galaxies.

Different statiatic investigations foun out that the majority of the interactive galaxies have met not sudenly but they are relatives, connected by one and the same parentage. They are aproaching to each other and then moving away.

The Wagon Wheel. The central part is to the left
The Wagon Wheel

The galaxy M 64
The galaxy M 64