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Astronomy Picture Of the Day (APOD)
![Тирренское море и небо в день солнцестояния](http://images.astronet.ru/pubd/2014/12/21/0001328719/wintersolstice_pivato_1080.preview.jpg)
20.12.2014
Today the solstice occurs at 23:03 Universal Time, the Sun reaching its southernmost declination in planet Earth's sky. Of course, the December solstice marks the beginning of winter in the northern hemisphere and summer in the south.
![Панорама места посадки Аполлона-11](http://images.astronet.ru/pubd/2014/12/20/0001328625/a11pan1040226lftsm600.preview.jpg)
19.12.2014
Have you seen a panorama from another world lately? Assembled from high-resolution scans of the original film frames, this one sweeps across the magnificent desolation of the Apollo 11 landing site on the Moon's Sea of Tranquility.
![Отражения в 1970-х](http://images.astronet.ru/pubd/2014/12/19/0001328512/LRGBv2-X3Walker900.preview.jpg)
18.12.2014
The 1970s are sometimes ignored by astronomers, like this beautiful grouping of reflection nebulae in Orion - NGC 1977, NGC 1975, and NGC 1973 - usually overlooked in favor of the substantial glow from the nearby stellar nursery better known as the Orion Nebula.
![Галактика NGC 7331 и за ее пределами](http://images.astronet.ru/pubd/2014/12/18/0001328454/NGC7331FINAL_IIHallas1024.preview.jpg)
17.12.2014
Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog.
![Болид из потока Геминиды над горой Баланг](http://images.astronet.ru/pubd/2014/12/17/0001328388/GeminidMtBalang_wu_960.preview.jpg)
16.12.2014
This was a sky to remember. While viewing the Geminids meteor shower a few days ago, a bright fireball was captured over Mt. Balang, China with particularly picturesque surroundings. In the foreground, a sea of light clouds slowly floated between dark mountain peaks.
![W5: столбы звездообразования](http://images.astronet.ru/pubd/2014/12/16/0001328344/ic1848_WISEantonucci_1080.preview.jpg)
15.12.2014
How do stars form? Images of the star forming region W5 like those in the infrared by NASA's Wide Field Infrared Survey Explorer (WISE) satellite provide clear clues with indications that massive stars near the center of empty cavities are older than stars near the edges.
![Потсдамская гравитационная картошка](http://images.astronet.ru/pubd/2014/12/15/0001328144/geoid2005_champgrace_960.preview.jpg)
14.12.2014
Why do some places on Earth have higher gravity than others? Sometimes the reason is unknown. To help better understand the Earth's surface, sensitive measurments by the orbiting satellites GRACE and CHAMP were used to create a map of Earth's gravitational field.
![Молекулярное облако Барнард 68](http://images.astronet.ru/pubd/2014/12/14/0001328123/barnard68v2_vlt_960.preview.jpg)
13.12.2014
Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars.
![Андромеда в инфракрасном и видимом свете](http://images.astronet.ru/pubd/2014/12/13/0001328069/M31-Spitzer-S.preview.jpg)
12.12.2014
This remarkable synthetic color composite image was assembled from archives of visible light and infrared astronomy image data. The field of view spans the Andromeda Galaxy (M31), a massive spiral a mere 2.5 million light-years away. In fact, with over twice the diameter of our own Milky Way, Andromeda is the largest nearby galaxy.
![Кристаллы на Марсе](http://images.astronet.ru/pubd/2014/12/13/0001327996/PIA19077MAHLI900.preview.jpg)
11.12.2014
This extreme close-up, a mosaic from the Mars Hand Lens Imager (MAHLI) on the Curiosity rover, spans a breathtaking 5 centimeters. It captures what appear to be elongated crystal shapes formed by the precipitation of minerals dissolved in water, a likely result of the evaporation of ancient lake or river from the Martian surface.
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