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Astronomy Picture Of the Day (APOD)
![Эйбелл 1795: охлаждающийся поток в скоплении галактик](https://images.astronet.ru/pubd/2000/12/19/0001162393/abell1795_cxc_big.preview.jpg)
7.12.2000
Throughout the Universe, galaxies tend to swarm in groups ranging from just a handful of members to casts of thousands. Astronomers have realized since the early 1970s that the larger swarms, immense clusters of galaxies millions of light-years across, are immersed within tenuous clouds of hot gas which glow strongly in x-rays.
![Разлом Сан Андреас](https://images.astronet.ru/pubd/2000/12/20/0001163809/sanandreasfault_srtm_big.preview.gif)
6.12.2000
The Earth's surface is broken. Cracks in the Earth's crust known as faults can run for hundreds of kilometers. These faults are frequently the sites of major earthquakes as the tectonic plates that cover the surface of the Earth shift.
![Отражая свет Меропы](https://images.astronet.ru/pubd/2000/12/19/0001162180/merope_hst_big.preview.jpg)
5.12.2000
In the famous Pleiades star cluster, a star's light is slowly destroying a passing cloud of gas and dust. The star, Merope, lies just off the upper right edge of this recently released picture by the Hubble Space Telescope.
![Слоистый Марс — древний водяной мир?](https://images.astronet.ru/pubd/2009/11/29/0001237140/candorlayers_mgs_big.preview.jpg)
4.12.2000
Pictured above, layers upon layers stretch across the floor of West Candor Chasma within the immense martian Valles Marineris. Covering an area 1.5 by 2.9 kilometers, the full image from the Mars Global Surveyor spacecraft shows over 100 individual beds.
![Галактика в созвездии Циркуля](https://images.astronet.ru/pubd/2000/12/19/0001162298/circinus_hst_big.preview.jpg)
3.12.2000
Powerful forces are at play in the nearby Circinus Galaxy. Hot gas, colored pink, is being ejected out of the spiral galaxy from the central region. Much of Circinus' tumultuous gas, however, is concentrated in two rings.
![Северный магнитный полюс Земли](https://images.astronet.ru/pubd/2000/12/19/0001162366/northcanada_noaa_big.preview.jpg)
2.12.2000
A magnetic compass does not point toward the true North Pole of the Earth. Rather, it more closely points toward the North Magnetic Pole of the Earth. The North Magnetic Pole is currently located in northern Canada.
![Сверхновая 1006 года: источник космических лучей](https://images.astronet.ru/pubd/2000/12/19/0001162362/sn1006_asca1_big.preview.jpg)
1.12.2000
Research balloon flights conducted in 1912 by Austrian physicist Victor Hess revealed that the Earth was constantly bombarded by high energy radiation from space - which came to be called "Cosmic Rays". What are Cosmic Rays and where do they come from?
![Заиндивевший кратер на Марсе](https://images.astronet.ru/pubd/2000/12/19/0001162304/frostcrater4_mgs_big.preview.jpg)
30.11.2000
In the martian southern hemisphere, autumn has arrived. As on planet Earth, the cooler temperatures bring a seasonal frost to the landscape. Of course on Mars, the surface temperatures can be really cool, reaching below minus 100 degrees C.
![Паломар 13: последний бросок на центр.](https://images.astronet.ru/pubd/2000/12/19/0001162373/p13_siegel.preview.jpg)
29.11.2000
Globular star cluster Palomar 13 has roamed the halo of our Milky Way Galaxy for the last 12 billion years. The apparently sparse cluster of stars just left of center in this composite color digital image, it is one of the smallest, faintest globular clusters known.
![Леониды из космоса](https://images.astronet.ru/pubd/2000/12/19/0001162358/leonidsfromspace_msx.preview.jpg)
28.11.2000
Here is what a meteor shower looks like from orbit. During the peak of the 1997 Leonid Meteor Shower, the MSX satellite imaged from above 29 meteors over a 48 minute period entering the Earth's atmosphere. From above, meteors create short bright streaks.
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