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Astronomy Picture Of the Day (APOD)
![Луна в рентгеновских лучах](http://images.astronet.ru/pubd/2002/09/16/0001179692/rosat_moon.preview.jpg)
14.09.2002
This x-ray image of the Moon was made by the orbiting ROSAT (Röntgensatellit) Observatory in 1990. In this digital picture, pixel brightness corresponds to x-ray intensity. Consider the image in three parts: the bright hemisphere of the x-ray moon, the darker half of the moon, and the x-ray sky background.
![Плато Аристарх](http://images.astronet.ru/pubd/2002/09/13/0001179634/aristarchus_croman_c1.preview.jpg)
13.09.2002
Anchored in the vast lava flows of the Moon's Oceanus Procellarum lies the Aristarchus Plateau. Recorded from a backyard observatory on planet Earth, this sharp, amazingly colorful view nicely captures the geologically diverse area, including the brownish plateau, Aristarchus and Herodotus craters, and the meandering Vallis Schroteri.
![Рентгеновское излучение остатка сверхновой Тихо](http://images.astronet.ru/pubd/2002/09/12/0001179632/tychosnr_cxc_c1.preview.jpg)
12.09.2002
In 1572, Danish astronomer Tycho Brahe recorded the sudden appearance of a bright new star in the constellation Cassiopeia. The new star faded from view over a period of months and is believed to have been a supernova, one of the last stellar explosions seen in our Milky Way galaxy.
![Затмение тройной звезды Плутоном и Хароном](http://images.astronet.ru/pubd/2002/09/11/0001179627/plutoeclipse_eso.preview.jpg)
11.09.2002
Occasionally, a planet in our Solar System will pass in front of a bright star. Since stars and planets take up so little space on the sky, such events are quite rare. Two months ago, however, Pluto and its large moon Charon passed in front of a comparatively bright triple star system known as P126.
![Венера и гроза](http://images.astronet.ru/pubd/2002/09/10/0001179592/venusstorms_anderson.preview.jpg)
10.09.2002
A thunderstorm, lightning, a bright star and a bright planet all graced an evening sky for a short while near Bismarck, North Dakota, USA two weeks ago. Thick thunderclouds from a passing storm are the origin of a strong cloud to ground lightning strike.
![Объект Хоага: странная кольцеобразная галактика](http://images.astronet.ru/pubd/2002/09/09/0001179569/hoag_hst.preview.jpg)
9.09.2002
Is this one galaxy or two? This question came to light in 1950 when astronomer Art Hoag chanced upon this unusual extragalactic object. On the outside is a ring dominated by bright blue stars, while near the center lies a ball of much redder stars that are likely much older.
![Слишком близко к черной дыре](http://images.astronet.ru/pubd/2002/09/09/0001179567/bh_rjn.preview.gif)
8.09.2002
What would you see if you went right up to a black hole? Above are two computer generated images highlighting how strange things would look. On the left is a normal star field containing the constellation Orion. Notice the three stars of nearly equal brightness that make up Orion's Belt.
![Стерео-Сатурн](http://images.astronet.ru/pubd/2002/09/09/0001179566/sat3d_voyager2.preview.jpg)
7.09.2002
Get out your red/blue glasses and launch yourself into this stereo picture of Saturn! The picture is actually composed from two images recorded weeks apart by the Voyager 2 spacecraft during its visit to the Saturnian System in August of 1981.
![Гамма-телескоп HESS](http://images.astronet.ru/pubd/2002/09/09/0001179565/telescope_hess.preview.jpg)
6.09.2002
Most ground-based telescopes with lenses and mirrors are hindered by the Earth's nurturing, protective atmosphere that blurs images and scatters and absorbs light. But this telescope was designed to detect extreme gamma rays - photons with over 100 billion times the energy of visible light - and actually requires the atmosphere to operate.
![Вояджер наблюдает туман на Титане](http://images.astronet.ru/pubd/2002/09/05/0001179520/titanhaze_voyager1.preview.jpg)
5.09.2002
Launched in 1977, 25 years ago today, the Voyager 1 spacecraft's historic tour of the outer Solar System took it past Saturn in late 1980. On November 12, 1980, Voyager 1 recorded this view looking across the edge of Titan, Saturn's largest moon, from a distance of about 22,000 kilometers.
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