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Keywords: Solar System, comet
![Темные пятна на Нептуне](https://images.astronet.ru/pubd/2001/08/23/0001170496/neptunespots_vg2.preview.jpg)
21.08.2001
Neptune has spots. The Solar System's outermost gas giant shows a nearly uniform blue hue created by small amounts of methane drifting in a thick atmosphere of nearly colorless hydrogen and helium. Dark spots do appear, however, that are anti-cyclones: large high-pressure systems that swirl in Neptune's cold cloud tops.
![Седна в полдень](https://images.astronet.ru/pubd/2004/06/04/0001198275/sednaIll_schaller_c1.preview.jpg)
4.06.2004
Standing on Sedna - the solar system's most distant known planetoid - your view of the Sun at high noon might look something like this. An artist's dramatic vision, the picture shows the Sun suspended above the nearby horizon as a bright star immersed in the dusty ecliptic plane.
![Странники](https://images.astronet.ru/pubd/2023/03/27/0001893621/wanderers.preview.preview.preview.png)
26.03.2023
How far out will humanity explore? If this video's fusion of real space imagery and fictional space visualizations is on the right track, then at least the Solar System. Some of the video...
![Комета ZTF и Марс](https://images.astronet.ru/pubd/2023/02/13/0001880411/CometZtfMars_Lioce_960.preview.jpg)
13.02.2023
No, Comet ZTF is not going to hit Mars. Nicknamed the Green Comet for its bright green coma, C/2022 E3 (ZTF) did, however, pass almost in front of the much-more distant planet a few days ago, very near in time to when the featured picture was taken.
![Звездная пыль и хвосты кометы](https://images.astronet.ru/pubd/2022/08/22/0001846239/C2017K2_220818_1050.preview.jpg)
20.08.2022
Heading for its closest approach to the Sun, or perihelion, on December 19 comet C/2017 K2 (PanSTARRS) remains a sight for telescopic observers as it sweeps through planet Earth's skies in the constellation Scorpius.
![Встреча двух комет: ZTF и ATLAS](https://images.astronet.ru/pubd/2023/02/10/0001879630/C2022E3ZTFmeetsC2022U2Atlasbeschriftet1024.preview.jpg)
10.02.2023
Fading as it races across planet Earth's northern skies comet C/2022 E3 (ZTF) shares this telescopic frame with comet C/2022 U2 (ATLAS). Captured on the night of February 6 from a garden observatory in Germany's Bavarian Forest, the starry field of view toward the constellation Auriga spans about 2.5 degrees.
![Уран: наклоненная планета](https://images.astronet.ru/pubd/2004/10/09/0001199954/uranus_vg2.preview.jpg)
26.08.2001
Uranus is the third largest planet in our Solar System after Jupiter and Saturn. Uranus is composed mostly of rock and ices, but with a thick hydrogen and helium atmosphere. The blue hue of Uranus' atmosphere arises from the small amount of methane which preferentially absorbs red light.
![Пыль и туманность Улитка](https://images.astronet.ru/pubd/2007/02/24/0001220901/helix_spitzer_720.preview.jpg)
23.02.2007
Dust makes this cosmic eye look red. The eerie Spitzer Space Telescope image shows infrared radiation from the well-studied Helix Nebula (NGC 7293) a mere 700 light-years away in the constellation Aquarius.
![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.
![Комета Леонарда и галактика Кит](https://images.astronet.ru/pubd/2021/12/03/0001790519/ngc4656_4631_A1-LRGB_112421_1024px.preview.jpg)
3.12.2021
Sweeping through northern predawn skies, on November 24 Comet Leonard (C/2021 A1) was caught between two galaxies in this composite telescopic image. Sporting a greenish coma the comet's dusty tail seems to harpoon the heart of NGC 4631 (top) also known as the Whale Galaxy.
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