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Astronomy Picture Of the Day (APOD)
![Протуберанец, сфотографированный СОХО](https://images.astronet.ru/pubd/2005/11/09/0001209346/sunflame_soho.preview.jpg)
9.11.2005
What happened to the Sun? Nothing very unusual: the strange-looking solar appendage on the lower left is actually just a spectacular looking version of a common solar prominence. A solar prominence is a cloud of solar gas held above the Sun's surface by the Sun's magnetic field.
![Дюны на Марсе](https://images.astronet.ru/pubd/2005/11/08/0001209339/marsdrifts_opportunity.preview.jpg)
8.11.2005
What would it be like to walk across Mars? The robot Opportunity rover is currently experiencing what it is like to roll across part of the red planet. It's not always easy -- the rover is being instructed to dodge the deeper drifts of dark sand.
![NGC 7635: туманность Пузырь](https://images.astronet.ru/pubd/2005/11/07/0001209300/bubble_croman.preview.jpg)
7.11.2005
It's the bubble versus the cloud. NGC 7635, the Bubble Nebula, is being pushed out by the stellar wind of massive central star BD+602522. Next door, though, lives a giant molecular cloud, visible above to the lower right.
![Солнечное пятно крупным планом](https://images.astronet.ru/pubd/2005/11/07/0001209311/sunspot_vtt.preview.jpg)
6.11.2005
Why would a small part of the Sun appear slightly dark? Visible above is a close-up picture of a sunspot, a depression on the Sun's face that is slightly cooler and less luminous than the rest of the Sun.
![Полярные сияния из космоса](https://images.astronet.ru/pubd/2005/11/05/0001209253/spaceaurora_iss.preview.jpg)
5.11.2005
From the ground, spectacular auroras seem to dance high above. But the International Space Station (ISS) orbits at nearly the same height as many auroras, sometimes passing over them, and sometimes right through them. Still, the auroral electron and proton streams pose no direct danger to the ISS.
![M78: звездная пыль и звездный свет](https://images.astronet.ru/pubd/2005/11/04/0001209222/M78_messner_cr.preview.jpg)
4.11.2005
Interstellar dust clouds and bright nebulae abound in the fertile constellation of Orion. One of the brightest, M78, is just below center in this sharp widefield view, covering an area north of Orion's belt. At a distance of about 1,500 light-years, the bluish nebula itself is about 5 light-years across.
![Спутники Плутона?](https://images.astronet.ru/pubd/2005/11/03/0001209208/plutoMoons_hst_f.preview.jpg)
3.11.2005
In 1930, tiny, icy world Pluto was discovered orbiting in the distant solar system. In 1978, its relatively large companion Charon was detected by ground-based observations. This year, the Hubble Space Telescope may well have detected two further members of the Pluto system.
![Эпиметей и Янус: верные спутники Сатурна](https://images.astronet.ru/pubd/2005/11/02/0001209180/interchangeable_cassini.preview.jpg)
2.11.2005
These two moons change places. Epimetheus and Janus, two small moons of Saturn, actually switch positions as they orbit their home planet. The orbital radii of the moons are strangely separated by less than the radii of the moons themselves: about 50 kilometers. One moon orbits Saturn well ahead of the other, at first.
![Приближение Союза к Космической станции](https://images.astronet.ru/pubd/2005/11/01/0001209148/soyuzapproach_iss.preview.jpg)
1.11.2005
Last month, a Soyuz TMA-7 spacecraft docked with the International Space Station. The spacecraft was launched a few days earlier from the Baikonur Cosmodrome in Kazakhstan. Pictured above, the approaching Soyuz spacecraft carried the new Expedition 12 crew to the Earth-orbiting International Space Station (ISS), as well as fee-paying spaceflight participant.
![Марсианский Хэллоуин](https://images.astronet.ru/pubd/2005/10/31/0001209136/marshalloween_pacholka.preview.jpg)
31.10.2005
From sunset to sunrise, an unusually bright yellowish orb will hang in the sky this Halloween: Mars. Yesterday, Earth passed Mars as they orbited the Sun, bringing Mars closer than it will be for the next thirteen years. Tonight though, Mars will be nearly as bright as last night, a beacon of extraterrestrial spookiness.
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