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Keyword: HII region
![Игра в скорлупки в БМО](https://images.astronet.ru/pubd/2016/12/30/0001373677/lmcapodgleason960.preview.jpg)
28.12.2016
An alluring sight in southern skies, the Large Magellanic Cloud (LMC) is seen here through narrowband filters. The filters are designed to transmit only light emitted by ionized sulfur, hydrogen, and oxygen atoms. Ionized...
![Шарплесс 212: излучение водорода и серы](https://images.astronet.ru/pubd/2001/12/29/0001173850/sh212_ohp.preview.jpg)
17.12.2001
Where do the most massive stars form? Observational evidence indicates that the outskirts of developing open clusters of stars are primary locations. Pictured above is one such open cluster: Sharpless 212. Visible in the image center are massive stars in the open cluster.
![Водородные облака в M33](https://images.astronet.ru/pubd/2013/12/26/0001297797/M33block_Ha_enhanced900.preview.jpg)
26.12.2013
Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies about 3 million light-years distant.
![NGC 2403 в Жирафе](https://images.astronet.ru/pubd/2015/03/27/0001334378/NGC2403-HaLRGBMP1024.preview.jpg)
26.03.2015
Magnificent island universe NGC 2403 stands within the boundaries of the long-necked constellation Camelopardalis. Some 10 million light-years distant and about 50,000 light-years across, the spiral galaxy also seems to have more than its fair share of giant star forming HII regions, marked by the telltale reddish glow of atomic hydrogen gas.
![Облака водорода в M33](https://images.astronet.ru/pubd/2021/09/30/0001767004/NebulaeTriangulumM33-1179.preview.jpg)
29.09.2021
Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away.
![Облака водорода в M33](https://images.astronet.ru/pubd/2023/10/13/0001910037/M33_Triangulum1024.preview.jpg)
12.10.2023
Gorgeous spiral galaxy Messier 33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away.
![Облака водорода в M33](https://images.astronet.ru/pubd/2019/10/04/0001500963/M33-Subaru-Gendler-1024.preview.jpg)
2.10.2019
Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away.
![Облака водорода в M33](https://images.astronet.ru/pubd/2016/10/07/0001370155/m33_brc_lrgb_ha_1024Pivato.preview.jpg)
6.10.2016
Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies about 3 million light-years distant.
![NGC 2403 в созвездии Жирафа](https://images.astronet.ru/pubd/2011/07/25/0001252989/NGC2403-Subaru-HST-S900.preview.jpg)
23.07.2011
Magnificent island universe NGC 2403 stands within the boundaries of the long-necked constellation Camelopardalis. Some 10 million light-years distant and about 50,000 light-years across, the spiral galaxy also seems to have more than its fair share of giant star forming HII regions, marked by the telltale reddish glow of atomic hydrogen gas.
![Водород в Большом Магеллановом Облаке](https://images.astronet.ru/pubd/2011/04/26/0001251421/LMC_HaOIIILRGB_lorenzi900c.preview.jpg)
26.04.2011
A satellite galaxy of our own Milky Way, the Large Magellanic Cloud (LMC) is an alluring sight in dark southern skies and the constellation Dorado. A mere 180,000 light-years distant...
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