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Keywords: emission nebula, Sirius
![Лебедь без звезд](https://images.astronet.ru/pubd/2020/11/30/0001709058/CygnusStarless_Cameron_960.preview.jpg)
30.11.2020
The sky is filled with faintly glowing gas, though it can take a sensitive camera and telescope to see it. For example, this twelve-degree-wide view of the northern part of the constellation Cygnus reveals a complex array of cosmic clouds of gas along the plane of our Milky Way galaxy.
![В сердце туманности Сердце](https://images.astronet.ru/pubd/2018/02/14/0001398366/HeartBiColor_Erickson_960.preview.jpg)
14.02.2018
What's that inside the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. It's shape perhaps fitting of the Valentine's Day, this heart glows brightly in red light emitted by its most prominent element: hydrogen.
![Триплет в Стрельце](https://images.astronet.ru/pubd/2017/07/30/0001386982/TOA1-M8M20-SL-DCP01andB600-09-Final7-Cc1024.preview.jpg)
27.07.2017
These three bright nebulae are often featured on telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way. In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the large nebula above and left of center, and colorful M20 near the bottom of the frame.
![Триплет в Стрельце](https://images.astronet.ru/pubd/2024/07/10/0001932961/sagittariusTri1024.preview.jpg)
10.07.2024
These three bright nebulae are often featured on telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way. In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the large nebula above center, and colorful M20 below and left in the frame.
![Туманность Слоновий хобот в Цефее](https://images.astronet.ru/pubd/2017/01/19/0001374658/vdB142_L(HaR)GB-finalLeshin1024.preview.jpg)
19.01.2017
Like an illustration in a galactic Just So Story, the Elephant's Trunk Nebula winds through the emission nebula and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Also known as vdB 142, the cosmic elephant's trunk is over 20 light-years long.
![IC 4628: туманность Креветка](https://images.astronet.ru/pubd/2016/12/09/0001372379/ic4628_colombari_1024.preview.jpg)
9.12.2016
South of Antares, in the tail of the nebula-rich constellation Scorpius, lies emission nebula IC 4628. Nearby hot, massive stars, millions of years young, irradiate the nebula with invisible ultraviolet light, stripping electrons from atoms. The electrons eventually recombine with the atoms to produce the visible nebular glow, dominated by the red emission of hydrogen.
![От Чайки к Сириусу](https://images.astronet.ru/pubd/2016/12/15/0001372724/RBA_DS_SeagullToSirius_1364.preview.jpg)
15.12.2016
This broad, beautiful mosaic spans almost 20 degrees across planet Earth's sky. The nebula-rich region lies near the edge of the Orion-Eridanus supperbubble, filled with looping, expanding shells of gas and dust embedded in molecular clouds near the plane of the Milky Way Galaxy.
![IC 5070: запыленный Пеликан в Лебеде](https://images.astronet.ru/pubd/2016/11/20/0001371895/IC5070_Pelican_Nebula_Steve_Richards1024.preview.jpg)
19.11.2016
The recognizable profile of the Pelican Nebula soars nearly 2,000 light-years away in the high flying constellation Cygnus, the Swan. Also known as IC 5070, this interstellar cloud of gas and dust...
![Ou4: туманность Гигантский Кальмар](https://images.astronet.ru/pubd/2022/10/12/0001852015/SquidFinal3smaller1024.preview.jpg)
12.10.2022
A mysterious squid-like cosmic cloud, this nebula is very faint, but also very large in planet Earth's sky. In the image, composed with 30 hours of narrowband image data, it spans nearly three full moons toward the royal constellation Cepheus.
![NGC 7822 в Цефее](https://images.astronet.ru/pubd/2016/11/17/0001371788/ngc7822narrowbandlarger_cannistraC1024.preview.jpg)
11.11.2016
Hot, young stars and cosmic pillars of gas and dust seem to crowd into NGC 7822. At the edge of a giant molecular cloud toward the northern constellation Cepheus, the glowing star forming region lies about 3,000 light-years away. Within the nebula, bright edges and dark shapes stand out in this colorful skyscape.
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