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Keywords: Comet Hale-Bopp, comet, hydrogen
![Прекрасная комета Нишимура](https://images.astronet.ru/pubd/2023/09/11/0001908271/BeautNishimura_Horalek_960.preview.jpg)
11.09.2023
This scene would be beautiful even without the comet. By itself, the sunrise sky is an elegant deep blue on high, with faint white stars peeking through, while near the horizon is a pleasing tan.
![Изменяющийся ионный хвост кометы Понса-Брукса](https://images.astronet.ru/pubd/2024/04/08/0001925569/Comet12pTails_ShengyuLi_960.preview.jpg)
8.04.2024
How does a comet tail change? It depends on the comet. The ion tail of Comet 12P/PonsБBrooks has been changing markedly, as detailed in the featured image sequenced over nine days from March 6 to 14 (top to bottom).
![Комета Понса-Брукса ночью](https://images.astronet.ru/pubd/2024/04/04/0001925297/12P_Pons_Brooks_2024_03_30_JuneLake_DEBartlett1024.preview.jpg)
4.04.2024
In dark evening skies over June Lake, northern hemisphere, planet Earth, Comet 12P/Pons-Brooks stood just above the western horizon on March 30. Its twisted turbulent ion tail and diffuse greenish coma are captured in this two degree wide telescopic field of view along with bright yellowish star Hamal also known as Alpha Arietis.
![У кометы Понса-Брукса появился противоположно направленный хвост](https://images.astronet.ru/pubd/2024/06/04/0001930887/Comet12P_Ligustri_960.preview.jpg)
4.06.2024
Why does Comet Pons-Brooks now have tails pointing in opposite directions? The most spectacular tail is the blue-glowing ion tail that is visible flowing down the image. The ion tail is pushed directly out from the Sun by the solar wind. On the upper right is the glowing central coma of Comet 12P/PonsБBrooks.
![Полное затмение и кометы](https://images.astronet.ru/pubd/2024/04/17/0001926810/EclipseComets_Zixuan_1080.preview.jpg)
17.04.2024
Not one, but two comets appeared near the Sun during last week's total solar eclipse. The expected comet was Comet 12P/Pons-Brooks, but it was disappointingly dimmer than many had hoped. However, relatively unknown Comet SOHO-5008 also appeared in long duration camera exposures.
![Закручивающаяся кома кометы Понса-Брукса](https://images.astronet.ru/pubd/2024/03/19/0001923410/CometPonsBrook_Vallestad_960.preview.jpg)
18.03.2024
A bright comet will be visible during next month's total solar eclipse. This very unusual coincidence occurs because Comet 12P/Pons-Brooks's return to the inner Solar System places it by chance only 25 degrees away from the Sun during Earth's April 8 total solar eclipse.
![Комета 12P/Понса-Брукса северной весной](https://images.astronet.ru/pubd/2024/03/10/0001922684/2024_03_05_Pons-Brooks_Revuca_1200px.preview.png)
9.03.2024
As spring approaches for northern skygazers Comet 12P/Pons-Brooks is growing brighter. Currently visible with small telescopes and binoculars the Halley-type comet could reach naked eye visibility in the coming weeks. Seen despite a foggy...
![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.
![Комета 13P Ольберса](https://images.astronet.ru/pubd/2024/06/28/0001931822/13P_Olbers_2024_06_24_215434PDT_DEBartlett1024.preview.jpg)
28.06.2024
Not a paradox, Comet 13P/Olbers is returning to the inner Solar System after 68 years. The periodic, Halley-type comet will reach its next perihelion or closest approach to the Sun on June 30 and has become a target for binocular viewing low in planet Earth's northern hemisphere night skies.
![Выброс пыли с поверхности кометы 67P](https://images.astronet.ru/pubd/2017/11/06/0001391843/Jet67P_Rosetta_960.preview.jpg)
6.11.2017
Where do comet tails come from? There are no obvious places on the nuclei of comets from which the jets that create comet tails emanate. Last year, though, ESA's Rosetta spacecraft not only imaged a jet emerging from Comet 67P/Churyumov-Gerasimenko, but flew right through it.
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