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Astronomy Picture Of the Day (APOD)
![Полярное сияние над Эдмонтоном](https://images.astronet.ru/pubd/2003/11/04/0001194605/aurora1_taylor.preview.jpg)
4.11.2003
Northern and southern locales saw many a beautiful aurora over the last week, as particles from several large solar flares impacted the Earth. Many reported unusually red auroras, although colors across the spectrum were also seen. Power grids and orbiting satellites braced for the onslaught, but little lasting damage was reported.
![Спиральная галактика NGC 3982 перед взрывом Сверхновой](https://images.astronet.ru/pubd/2003/11/03/0001194591/ngc3982_hst.preview.jpg)
3.11.2003
What do stars look like just before they explode? To find out, astronomers are taking detailed images of nearby galaxies now, before any supernova is visible. Hopefully, a star in one of the hundreds of high resolution galaxy images will explode in the coming years.
![Гигантское пятно на звезде HD 12545](https://images.astronet.ru/pubd/2003/11/03/0001194588/hd12545_noao_big.preview.jpg)
2.11.2003
What could cause a star to have such a large spot? Our Sun itself frequently has sunspots, relatively cool dark magnetic depressions that move across its surface. HD 12545, however, exhibits the largest starspots yet observed.
![Гало вокруг туманности Кошачий глаз](https://images.astronet.ru/pubd/2003/11/03/0001194586/n6543_ing_c.preview.jpg)
1.11.2003
The Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae in the sky. Its haunting symmetries are seen in the very central region of this stunning false-color picture, processed...
![Гроза в темную ночь](https://images.astronet.ru/pubd/2003/10/31/0001194571/marsflashb_allthesky_c1.preview.jpg)
31.10.2003
It was a dark and stormy night. But on August 29th the red planet Mars, near it's closest approach to Earth in almost 60,000 years, shone brightly in the sky against a background of stars in the constellation Aquarius.
![Полярное сияние в небе над Колорадо](https://images.astronet.ru/pubd/2003/10/30/0001194569/aurora031029b_westlake_c1.preview.jpg)
30.10.2003
Vivid auroral displays were triggered by a cloud of high energy particles from the Sun that collided with planet Earth's magnetosphere yesterday, October 29, at about 06:30 Universal Time. The collision...
![Мощная солнечная вспышка](https://images.astronet.ru/pubd/2003/10/29/0001194547/xflare_soho_big.preview.gif)
29.10.2003
Yesterday, our Sun produced one of the most powerful solar flares in recorded history. Seen across the electromagnetic spectrum, the Sun briefly became over 100 times brighter in X-rays than normal. Over the next few days, as energetic particles emitted from these regions strike the Earth, satellite communications might be affected and auroras might develop.
![Трехмерная карта Вселенной по данным SDSS](https://images.astronet.ru/pubd/2003/10/28/0001194541/galaxies_sdss.preview.jpg)
28.10.2003
The latest map of the cosmos again indicates that dark matter and dark energy dominate our universe. The Sloan Digital Sky Survey (SDSS) is on its way to measuring the distances to over one million galaxies.
![Большие группы солнечных пятен 10484 и 10486](https://images.astronet.ru/pubd/2003/10/27/0001194459/sunspot484_casado.preview.jpg)
27.10.2003
Two unusually large sunspot groups are now crossing the face of the Sun. Each group, roughly the size of Jupiter, is unusual not only for its size but because it is appearing over three years after solar maximum, the peak of solar surface activity.
![M16: звезды из орлиных "яиц"](https://images.astronet.ru/pubd/2003/10/27/0001194440/pillars4_hst.preview.jpg)
26.10.2003
Newborn stars are forming in the Eagle Nebula. This image, taken with the Hubble Space Telescope in 1995, shows evaporating gaseous globules (EGGs) emerging from pillars of molecular hydrogen gas and dust. The giant pillars are light years in length and are so dense that interior gas contracts gravitationally to form stars.
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