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Astronomy Picture Of the Day (APOD)
![Панорама бури серебристых облаков](https://images.astronet.ru/pubd/2009/07/13/0001235517/NLCcloudsallover_heden.preview.jpg)
11.07.2009
Noctilucent or night-shining clouds lie near the edge of space. From about 80 kilometers above Earth's surface, the icy clouds can still reflect sunlight even though the Sun itself is below the horizon as seen from the ground.
![Колонны Орлиного Замка](https://images.astronet.ru/pubd/2009/07/12/0001235512/m16_colognato.preview.jpg)
10.07.2009
What lights up this castle of star formation? The familiar Eagle Nebula glows bright in many colors at once. The above image is a composite of three of these glowing gas colors. Pillars of dark dust nicely outline some of the denser towers of star formation.
![Пульсары в гамма-лучах в телескоп Ферми](https://images.astronet.ru/pubd/2009/07/10/0001235491/Fermi_pulsar_map_labels_900.preview.jpg)
9.07.2009
Born in supernovae, pulsars are spinning neutron stars, collapsed stellar cores left from the death explosions of massive stars. Traditionally identified and studied by observing their regular radio pulsations, two dozen pulsars have now been detected at extreme gamma-ray energies by the Fermi Gamma-ray Space Telescope.
![Темная река, текущая к Антаресу](https://images.astronet.ru/pubd/2009/07/09/0001235478/RhoOphregion_jennings800.preview.jpg)
8.07.2009
Connecting the Pipe Nebula to the colorful regon near bright star Antares is a dark cloud dubbed the Dark River, flowing from the picture's left edge. Murky looking, the Dark River's appearance is caused by dust obscuring background starlight, although the dark nebula contains mostly hydrogen and molecular gas.
![Трехдольная туманность: звезды и пыль](https://images.astronet.ru/pubd/2009/07/07/0001235451/m20_block.preview.jpg)
7.07.2009
Unspeakable beauty and unimaginable bedlam can be found together in the Trifid Nebula. Also known as M20, this photogenic nebula is visible with good binoculars towards the constellation of Sagittarius. The energetic processes of star formation create not only the colors but the chaos. The red-glowing gas results from high-energy starlight striking interstellar hydrogen gas.
![Темное вещество на Меркурии](https://images.astronet.ru/pubd/2009/07/06/0001235427/darkmercury_messenger.preview.jpg)
6.07.2009
What is that strange material on Mercury? When flying by Mercury last October, the robotic MESSENGER spacecraft imaged much of the solar system's innermost planet in unprecedented detail. As common in science, new data bring new mysteries.
![Жесткая посадка аппарата "Дженезис"](https://images.astronet.ru/pubd/2009/07/06/0001235417/genesisimpact_nasa.preview.jpg)
5.07.2009
A flying saucer from outer space crash-landed in the Utah desert in 2004 after being tracked by radar and chased by helicopters. No space aliens were involved, however. The saucer, pictured above, was the Genesis sample return capsule, part of a human-made robot Genesis spaceship launched in 2001 by NASA itself to study the Sun.
![Звездная ночь над горой Рашмор](https://images.astronet.ru/pubd/2009/07/04/0001235406/Rushmore-Pan-c03-850wp.preview.jpg)
4.07.2009
This starry night sky sparkles above the Black Hills of South Dakota and the United States' Mount Rushmore National Park. The historic site features enormous sculptures of four US presidents; George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln, carved into the southeast face of granite cliffs.
![Перигелий и афелий](https://images.astronet.ru/pubd/2009/07/04/0001235407/PerihelionAphelion_cervignon800.preview.jpg)
3.07.2009
This year Aphelion, the point in Earth's elliptical orbit when it is farthest from the Sun, occurs tomorrow, July 4th. Of course, that doesn't affect the seasons on our fair planet. Those...
![Облако Лайман-альфа](https://images.astronet.ru/pubd/2009/07/02/0001235383/labs900_multiCXC.preview.jpg)
2.07.2009
Dubbed a Lyman-alpha blob, an enormous cloud of hydrogen gas spans several hundred thousand light-years in this remarkable image (left), a composite of x-ray, optical, and infrared data from space and ground based observatories.
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