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Astronomy Picture Of the Day (APOD)
![Вихри и цвета Юпитера от "Юноны"](https://images.astronet.ru/pubd/2018/11/21/0001446178/JupiterSwirls_JunoBrealey_960.preview.jpg)
20.11.2018
What creates the colors in Jupiter's clouds? No one is sure. The thick atmosphere of Jupiter is mostly hydrogen and helium, elements which are colorless at the low temperatures of the Jovian cloud tops.
![Неожиданная траектория межзвездного астероида Оумуамуа](https://images.astronet.ru/pubd/2018/11/20/0001445990/oum.preview.jpg)
19.11.2018
Why is 'Oumuamua differing from its expected trajectory? Last year, 1I/2017 U1 'Oumuamua became the first known asteroid from interstellar space to pass through our Solar System. Just over a year ago, this tumbling interstellar rock even passed rather close to the Earth.
![Неполная Луна над шведскими горами](https://images.astronet.ru/pubd/2018/11/20/0001445976/GibbousMoon_Strand_960.preview.jpg)
18.11.2018
This is a gibbous Moon. More Earthlings are familiar with a full moon, when the entire face of Luna is lit by the Sun, and a crescent moon, when only a sliver of the Moon's face is lit.
![Полярное сияние над Норвегией в виде сказочного существа](https://images.astronet.ru/pubd/2018/11/18/0001445650/creatureaurora_salomonsen_960.preview.jpg)
17.11.2018
It was Halloween and the sky looked like a creature. Exactly which creature, the astrophotographer was unsure but (possibly you can suggest one). Exactly what caused this eerie apparition in 2013 was sure: one of the best auroral displays in recent years. This spectacular aurora had an unusually high degree of detail.
![Туманность Тарантул](https://images.astronet.ru/pubd/2018/11/17/0001445500/ward30DoradusHaLRGB1024.preview.jpg)
16.11.2018
The Tarantula Nebula, also known as 30 Doradus, is more than a thousand light-years in diameter, a giant star forming region within nearby satellite galaxy the Large Magellanic Cloud. About 180 thousand light-years away, it's the largest, most violent star forming region known in the whole Local Group of galaxies.
![Холм, Луна и Сатурн](https://images.astronet.ru/pubd/2018/11/20/0001445999/conjunction_181111_ladanyi_web.preview.jpg)
15.11.2018
Last Sunday when the Moon was young its sunlit crescent hung low near the western horizon at sunset. With strong earthshine it was joined by Saturn shining in the early evening sky for a beautiful conjunction visible to skygazers around our fair planet.
![Комета 46P Виртанена](https://images.astronet.ru/pubd/2018/11/15/0001445171/46PCherney_NoText_Small.preview.jpg)
14.11.2018
Periodic Comet 46P/Wirtanen is now the brightest comet in the night sky, but too faint to be seen by eye. From dark sky sites it could just become naked-eye visible though, as it's 5.4 year long looping orbit takes it closest to Earth and the Sun in mid December.
![Туманность Пещера в излучении водорода, кислорода и серы](https://images.astronet.ru/pubd/2018/11/14/0001445019/CaveNebula_Ayoub_960.preview.jpg)
13.11.2018
What's inside this cosmic cave? A stellar nursery 10 light-years deep. The featured skyscape is dominated by dusty Sh2-155, the Cave Nebula. In the telescopic image, data taken through a narrowband filters tracks the nebular glow of hydrogen, oxygen, and sulfur, colors that together form the Hubble Palette.
![Вращающийся астероид Бенну от аппарата OSIRIS REx](https://images.astronet.ru/pubd/2018/11/14/0001444841/ast.preview.jpg)
12.11.2018
Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century.
![Туманность Лагуна: звезды, пыль и газ](https://images.astronet.ru/pubd/2018/11/12/0001444641/Lagoon_Ortega_1080.preview.jpg)
11.11.2018
The majestic Lagoon Nebula is filled with hot gas and the home for many young stars. Spanning 100 light years across while lying only about 5000 light years distant, the Lagoon Nebula is so big and bright that it can be seen without a telescope toward the constellation of the Archer (Sagittarius).
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