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Astronomy Picture Of the Day (APOD)
![Черные дыры в сливающихся галактиках](http://images.astronet.ru/pubd/2010/05/31/0001245302/Swift_AGN_galaxies_labels900.preview.jpg)
29.05.2010
Violent galaxy mergers can feed supermassive black holes. Theoretically, the result is intense emission from regions near the supermassive black holes, creating the some of the most luminous objects in the universe. Astronomers dub these Active Galactic Nuclei, or just AGN.
![Атлантис над Родосом](http://images.astronet.ru/pubd/2010/05/28/0001245245/iss_100517_ladanyi900.preview.jpg)
28.05.2010
A moonlit chapel stands in the foreground of this night-scape from the historic Greek island of Rhodes. The tantalizing sky above features a colorful lunar corona, where bright moonlight is diffracted by water droplets in the thin clouds drifting in front of the lunar disk.
![Огромное шаровое скопление M13 в Геркулесе](http://images.astronet.ru/pubd/2010/05/27/0001245217/M13_mtm900.preview.jpg)
27.05.2010
In 1716, English astronomer Edmond Halley noted, "This is but a little Patch, but it shews it self to the naked Eye, when the Sky is serene and the Moon absent." Of course...
![Облака и звезды над вулканом Котопахи](http://images.astronet.ru/pubd/2010/05/26/0001245210/nebo.preview.jpg)
26.05.2010
What's happening above the Cotopaxi volcano in Ecuador? Quite a bit, from the looks of the above one-night, time-lapse movie, taken earlier this month. The majestic volcano is first seen through breaks in fast moving clouds as the movie begins.
![Посмотрим назад на пройденный путь по Марсу](http://images.astronet.ru/pubd/2010/05/25/0001245163/lookback_opportunity.preview.jpg)
25.05.2010
It's been a long trip for the Martian rover Opportunity. Last week Opportunity surpassed Viking 1 as the longest running mission on Mars, now extending well over six years. Pictured above, Opportunity's tire tracks cross a nearly featureless Martian desert, emanating from a distant horizon.
![Широкое поле вокруг ρ Змееносца](http://images.astronet.ru/pubd/2010/05/24/0001245149/rhoregion_andreo.preview.jpg)
24.05.2010
The clouds surrounding the star system Rho Ophiucus compose one of the closest star forming regions. Rho Ophiucus itself is a binary star system visible in the light-colored region on the image right.
![Станция и челнок пролетают по диску Солнца](http://images.astronet.ru/pubd/2010/05/23/0001245143/issatlantistransit_legault.preview.jpg)
23.05.2010
That's no sunspot. On the upper right of the above image of the Sun, the dark patches are actually the International Space Station (ISS) and the Space Shuttle Atlantis on mission STS-132.
![Темное волокно на Солнце](http://images.astronet.ru/pubd/2010/05/23/0001245144/SDO_filament_May2010_900.preview.jpg)
22.05.2010
Suspended by magnetic fields above a solar active region this dark filament stretches over 40 earth-diameters. The ominous structure appears to be frozen in time near the Sun's edge, but solar filaments are unstable and often erupt.
![Спокойствие, серп Луны и Венера](http://images.astronet.ru/pubd/2010/05/21/0001245134/MoonVenus_heden600.preview.jpg)
21.05.2010
Last weekend, the Moon and Venus formed a beautiful close pair in the west after sunset, a scene enjoyed by skygazers all over the world. In this lovely view of the conjunction from Sweden, a calm lake Vallentuna lies in the foreground with sunset colors still fading behind the treeline on the far shore.
![M87: эллиптическая галактика с джетом](http://images.astronet.ru/pubd/2010/05/20/0001245125/m87jet_block900.preview.jpg)
20.05.2010
In spiral galaxies, majestic winding arms of young stars, gas, and dust rotate in a flat disk around a bulging galactic nucleus. But elliptical galaxies seem to be simpler. Lacking gas and dust to form new stars, their randomly swarming older stars, give them an ellipsoidal (egg-like) shape. Still, elliptical galaxies can be very large.
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