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Astronomy Picture Of the Day (APOD)
![Галактика Андромеды](https://images.astronet.ru/pubd/2012/05/19/0001264691/M31_HALRGBpugh_900.preview.jpg)
9.01.2010
The most distant object easily visible to the eye is M31, the great Andromeda Galaxy some two and a half million light-years away. But without a telescope, even this immense spiral galaxy - spanning over 200,000 light years - appears as a faint, nebulous cloud in the constellation Andromeda.
![Тайна умирающей звезды](https://images.astronet.ru/pubd/2010/01/12/0001237886/EpsilonAurigae_wong900.preview.jpg)
8.01.2010
Every 27 years Epsilon Aurigae fades, remaining dim for roughly two years before growing bright again. Since the 19th century, astronomers have studied the mystery star, eventually arguing that Epsilon Aur, centered in this telescopic skyview, was actually undergoing a long eclipse by a dark companion object.
![Хвост Малого Магелланова Облака](https://images.astronet.ru/pubd/2010/01/10/0001237819/ssc2010-02b_Sm.preview.jpg)
7.01.2010
A satellite galaxy of our Milky Way, the Small Magellanic Cloud is wonder of the southern sky, named for 16th century Portuguese circumnavigator Ferdinand Magellan. Some 200,000 light-years distant in the constellation Tucana...
![Пятнистая поверхность Бетельгейзе](https://images.astronet.ru/pubd/2010/01/10/0001237820/Betel_haubois800.preview.jpg)
6.01.2010
Betelgeuse really is a big star. If placed at the center of our Solar System it would extend to the orbit of Jupiter. But like all stars except the Sun, Betelgeuse is so distant it usually appears as a single point of light, even in large telescopes.
![Грозовой воротник над Уругваем](https://images.astronet.ru/pubd/2010/01/10/0001237821/rollcloud_eberl.preview.jpg)
5.01.2010
What kind of cloud is this? A roll cloud. These rare long clouds may form near advancing cold fronts. In particular, a downdraft from an advancing storm front can cause moist warm air to rise, cool below its dew point, and so form a cloud.
![Ядро кометы Галлея: летящий айсберг](https://images.astronet.ru/pubd/2010/01/11/0001237843/halley_giotto.preview.jpg)
4.01.2010
What does a comet nucleus look like? Formed from the primordial stuff of the Solar System, comet nuclei were thought to resemble very dirty icebergs. But ground-based telescopes revealed only the surrounding cloud of gas and dust of active comets nearing the Sun, clearly resolving only the comet's coma, and the characteristic cometary tails.
![Сила из пустоты: эффект Казимира](https://images.astronet.ru/pubd/2010/01/10/0001237822/casimirsphere_mohideen.preview.jpg)
3.01.2010
This tiny ball provides evidence that the universe will expand forever. Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in response to energy fluctuations in the vacuum of empty space.
![Затмение Голубой Луны](https://images.astronet.ru/pubd/2010/01/03/0001237728/eclipse20091231_Roux900.preview.jpg)
2.01.2010
The International Year of Astronomy 2009 ended with a Blue Moon and a partial lunar eclipse, as the second Full Moon of December grazed the Earth's shadow on December 31st. The New Year...
![Не Голубая Луна](https://images.astronet.ru/pubd/2010/01/01/0001237682/NBMoon_StefanoDeRosa_sm.preview.jpg)
1.01.2010
This bright Full Moon was captured on December 2nd, shining above a church overlooking the River Po, in Turin, Italy, It was the first Full Moon in December. Shining on celebrations of New Year...
![Пыль и туманность Улитка](https://images.astronet.ru/pubd/2009/12/31/0001237656/helix_spitzer_720.preview.jpg)
31.12.2009
Dust makes this cosmic eye look red. The eerie Spitzer Space Telescope image shows infrared radiation from the well-studied Helix Nebula (NGC 7293) a mere 700 light-years away in the constellation Aquarius.
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