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Keywords: rings, Encke gap, Saturn, cassini spacecraft, Moon
![Рея, спутник Сатурна: вид с Кассини](https://images.astronet.ru/pubd/2005/02/15/0001202935/rhea_cassini.preview.jpg)
14.02.2005
Each moon of Saturn seems to come with its own mystery. Rhea, Saturn's second largest moon behind Titan, shows unusual wisps, visible above as light colored streaks. Higher resolution images of the wisps show them to be made of long braided fractures.
![Юпитер, Сатурн и Мессье 45](https://images.astronet.ru/pubd/2001/03/23/0001166784/jupsatm45_kenwebb.preview.jpg)
21.03.2001
Brilliant Venus falls out of the evening sky as March ends, but Jupiter and Saturn remain well up above the western horizon. Jupiter blazes forth above and to the left of a slightly fainter Saturn in this telephoto picture taken on January 19th.
![Миранда, Шеврон, Алонсо](https://images.astronet.ru/pubd/2005/07/19/0001207307/miranda_vg2mos1_full.preview.jpg)
5.03.1999
Miranda is a bizarre world which surely had a tempestuous past. The innermost of the larger Uranian moons, Miranda is almost 300 miles in diameter and was discovered in 1948 by American planetary astronomer Gerard Kuiper.
![Гамлет и Оберон](https://images.astronet.ru/pubd/2005/07/16/0001207267/oberon2_usgs_big.preview.gif)
26.02.1999
What's in a name? Since 1919, the International Astronomical Union has been charged with the task of establishing "conventional" nomenclature for planets, satellites, and surface features. For the remote Uranian system of moons, namesakes from Shakespearean works have been chosen.
![Энцелад: снимок крупным планом](https://images.astronet.ru/pubd/2005/03/17/0001204856/enceladus_cassini_03_c77.preview.jpg)
16.03.2005
The surface of Enceladus is as white as fresh snow. Still, an impressive variety of terrain is revealed in this contrast enhanced image. At a resolution of about 30 meters per pixel, the close-up view spans over 20 kilometers - recorded during the touring Cassini spacecraft's March flyby of the icy Saturnian moon.
!["Волнистый" спутник в кольцах Сатурна](https://images.astronet.ru/pubd/2005/05/23/0001205877/wavemaker_cassini.preview.jpg)
23.05.2005
What causes small waves in Saturn's rings? Observations of rings bordering the Keeler gap in Saturn's rings showed unusual waves. Such waves were first noticed last July and are shown above in clear detail.
![Ночная сторона Сатурна](https://images.astronet.ru/pubd/2006/09/12/0001216251/saturnnight_cassini.preview.jpg)
12.09.2006
This is what Saturn looks like at night. In contrast to the human-made lights that cause the nighttime side of Earth to glow faintly, Saturn's faint nighttime glow is primarily caused by sunlight reflecting off of its own majestic rings.
![Спутники Плутона?](https://images.astronet.ru/pubd/2005/11/03/0001209208/plutoMoons_hst_f.preview.jpg)
2.11.2005
In 1930, tiny, icy world Pluto was discovered orbiting in the distant solar system. In 1978, its relatively large companion Charon was detected by ground-based observations. This year, the Hubble Space Telescope may well have detected two further members of the Pluto system.
![Кольцо у планеты Уран](https://images.astronet.ru/pubd/2003/01/15/0001185865/uranusrings_eso.preview.jpg)
14.01.2003
Yes it does look like Saturn, but Saturn is one of only four giant ringed planets in our Solar System. And while Saturn has the brightest rings, this system of rings and moons actually belongs to planet Uranus, imaged here in near-infrared light by the Antu telescope at the ESO Parnal Observatory in Chile.
![Таинственный темный спутник Урана Умбриэль](https://images.astronet.ru/pubd/2002/08/24/0001179267/umbriel_vg2_big.preview.gif)
7.04.1996
Why is Umbriel so dark? This dark moon reflects only half the light of other Uranus' moons such as Ariel. And what is that bright ring at the top? Unfortunately, nobody yet knows. These questions presented themselves when Voyager 2 passed this satellite of Uranus in January 1986.
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