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Dunyazad (crater)
Dunyazad is a large crater on Saturn's moon Enceladus first discovered by the ''Voyager 2'' spacecraft. It is named after Dunyazad, the sister of Scheherazade in ''The Book of One Thousand and One Nights ''One Thousand and One Nights'' ( ar, أَلْفُ لَيْلَةٍ وَلَيْلَةٌ, italic=yes, ) is a collection of Middle Eastern folk tales compiled in Arabic during the Islamic Golden Age. It is often known in English as the ''Arabian ...''. Dunyazad is located at and is approximately 31 kilometers across, making it one of the largest craters on Enceladus. It is the southernmost crater of a prominent crater triplet on Enceladus' anti-Saturnian hemisphere (there is no evidence that the impacts are related or were formed from break-up of a single body, like Shoemaker-Levy 9). The craters to its north are Shahrazad, and Al-Haddar. ''Voyager 2'' discovery images of this crater revealed an up-domed floor at Dunyazad, suggesting that the crater had been modified ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Voyager 2
''Voyager 2'' is a space probe launched by NASA on August 20, 1977, to study the outer planets and interstellar space beyond the Sun's heliosphere. As a part of the Voyager program, it was launched 16 days before its twin, ''Voyager 1'', on a trajectory that took longer to reach gas giants Jupiter and Saturn but enabled further encounters with ice giants Uranus and Neptune. ''Voyager 2'' remains the only spacecraft to have visited either of the ice giant planets. ''Voyager 2'' was the fourth of five spacecraft to achieve Solar escape velocity, which allowed it to leave the Solar System. ''Voyager 2'' successfully fulfilled its primary mission of visiting the Jovian system in 1979, the Saturnian system in 1981, Uranian system in 1986, and the Neptunian system in 1989. The spacecraft is now in its extended mission of studying interstellar space. It has been operating for as of ; , it has reached a distance of from Earth. The probe entered interstellar space on Nov ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dunyazad
This is a list of characters in ''One Thousand and One Nights'' ( ''The Arabian Nights''), the classic, medieval collection of Middle-Eastern folk tales. Characters in the frame story Scheherazade Scheherazade or Shahrazad ( fa, شهرزاد}, ''Šahrzād'', or , ) is the legendary Persian queen who is the storyteller and narrator of ''The Nights''. She is the daughter of the kingdom's vizier and the older sister of Dunyazad. Against her father's wishes, she marries King Shahryar, who has vowed that he will execute a new bride every morning. For 1,001 nights, Scheherazade tells her husband a story, stopping at dawn with a cliffhanger. This forces the King to keep her alive for another day so that she could resume the tale at night. The name derives from the Persian ''šahr'' () and ''-zâd'' (); or from the Middle-Persian ''čehrāzād'', wherein ''čehr'' means 'lineage' and ''āzād'', 'noble' or 'exalted' (i.e. 'of noble or exalted lineage' or 'of noble appearance/origi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scheherazade
Scheherazade () is a major female character and the storyteller in the frame narrative of the Middle Eastern collection of tales known as the ''One Thousand and One Nights''. Name According to modern scholarship, the name ''Scheherazade'' derives from the Middle Persian name , which is composed of the words ('lineage') and ('noble, exalted'). The earliest forms of Scheherazade's name in Arabic sources include (, ) in Masudi, and in Ibn al-Nadim. The name appears as in the ''Encyclopaedia of Islam'' and as in ''Encyclopædia Iranica''. Among standard 19th-century printed editions, the name appears as () in Macnaghten's Calcutta edition (1839–1842) and in the 1862 Bulaq edition, and as () in the Breslau edition (1825–1843). Muhsin Mahdi's critical edition has (). The spelling ''Scheherazade'' first appeared in English-language texts in 1801, borrowed from German usage. Narration The story goes that the monarch Shahryar, on discovering that his first wife wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Impact Crater
An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain. Lunar impact craters range from microscopic craters on lunar rocks returned by the Apollo Program and small, simple, bowl-shaped depressions in the lunar regolith to large, complex, multi-ringed impact basins. Meteor Crater is a well-known example of a small impact crater on Earth. Impact craters are the dominant geographic features on many solid Solar System objects including the Moon, Mercury, Callisto, Ganymede and most small moons and asteroids. On other planets and moons that experience more active surface geological processes, such as Earth, Venus, Europa, Io and Titan, visible impact craters are less common because they become ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saturn
Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; however, with its larger volume, Saturn is over 95 times more massive. Saturn's interior is most likely composed of a core of iron–nickel and rock (silicon and oxygen compounds). Its core is surrounded by a deep layer of metallic hydrogen, an intermediate layer of liquid hydrogen and liquid helium, and finally, a gaseous outer layer. Saturn has a pale yellow hue due to ammonia crystals in its upper atmosphere. An electrical current within the metallic hydrogen layer is thought to give rise to Saturn's planetary magnetic field, which is weaker than Earth's, but which has a magnetic moment 580 times that of Earth due to Saturn's larger size. Saturn's magnetic field strength is around one-twentieth of Jupiter's. The outer atmosphere is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Enceladus (moon)
Enceladus is the sixth-largest moon of Saturn (19th largest in the Solar System). It is about in diameter, about a tenth of that of Saturn's largest moon, Titan. Enceladus is mostly covered by fresh, clean ice, making it one of the most reflective bodies of the Solar System. Consequently, its surface temperature at noon only reaches , far colder than a light-absorbing body would be. Despite its small size, Enceladus has a wide range of surface features, ranging from old, heavily cratered regions to young, tectonically deformed terrain. Enceladus was discovered on August 28, 1789, by William Herschel, but little was known about it until the two Voyager spacecraft, '' Voyager 1'' and '' Voyager 2'', flew by Saturn in 1980 and 1981. In 2005, the spacecraft '' Cassini'' started multiple close flybys of Enceladus, revealing its surface and environment in greater detail. In particular, ''Cassini'' discovered water-rich plumes venting from the south polar region. Cryo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Book Of One Thousand And One Nights
''One Thousand and One Nights'' ( ar, أَلْفُ لَيْلَةٍ وَلَيْلَةٌ, italic=yes, ) is a collection of Middle Eastern folk tales compiled in Arabic during the Islamic Golden Age. It is often known in English as the ''Arabian Nights'', from the first English-language edition (), which rendered the title as ''The Arabian Nights' Entertainment''. The work was collected over many centuries by various authors, translators, and scholars across West, Central and South Asia, and North Africa. Some tales trace their roots back to ancient and medieval Arabic literature, Arabic, Egyptian literature, Egyptian, Sanskrit literature, Sanskrit, Persian literature, Persian, and Mesopotamian myths, Mesopotamian literature. Many tales were originally folk stories from the Abbasid Caliphate, Abbasid and Mamluk Sultanate (Cairo), Mamluk eras, while others, especially the frame story, are most probably drawn from the Middle Persian literature#"Pahlavi" literature, Pahlavi Persian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comet Shoemaker-Levy 9
A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena are due to the effects of solar radiation and the solar wind acting upon the nucleus of the comet. Comet nuclei range from a few hundred meters to tens of kilometers across and are composed of loose collections of ice, dust, and small rocky particles. The coma may be up to 15 times Earth's diameter, while the tail may stretch beyond one astronomical unit. If sufficiently bright, a comet may be seen from Earth without the aid of a telescope and may subtend an arc of 30° (60 Moons) across the sky. Comets have been observed and recorded since ancient times by many cultures and religions. Comets usually have highly eccentric elliptical orbits, and they have a wide range of orbital periods, ranging from several years to potentially seve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shahrazad (crater)
Shahrazad is a large crater on Saturn's moon Enceladus first discovered by the ''Voyager 2'' spacecraft. It is located at 47.3° North Latitude, 199.7° West Longitude and is approximately 20 kilometers across. Shahrazad is the middle crater of a prominent crater triplet on Enceladus' anti-Saturnian hemisphere (there is no evidence that the impacts are related or were formed from break-up of a single body, like Shoemaker-Levy 9). ''Voyager'' images revealed very little about this crater, however, higher resolution views of Shahrazad taken by the ''Cassini'' Spacecraft during a close flyby on March 9, 2005, reveal significant north–south fracturing that runs through all three craters of the triplet. Deep canyons mark the northern and eastern portions of Shahrazad's rim. Some evidence for viscous relaxation can be seen, but it is not nearly as significant as at Dunyazad to its immediate south or at Aladdin elsewhere on the satellite. Shahrazad is named after the Persian stor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Haddar (crater)
Al-Haddar is an impact crater on Saturn's moon Enceladus, first discovered by the Voyager spacecraft. It is named after Al-Haddar, one of the barber's six brothers in "The Hunchback's Tale" from ''The Book of One Thousand and One Nights''. Al-Haddar is located at 50.5° North Latitude, 200.6° West Longitude and is approximately 14 kilometers across. It is the northernmost and smallest crater of a prominent crater triplet on Enceladus' anti-Saturnian hemisphere (there is no evidence that the impacts are related or were formed from the break-up of a single body, like Shoemaker-Levy 9). ''Voyager 2'' observations of Al-Haddar revealed a bowl-shaped, simple crater, compared to its larger, more complex southern neighbors, Shahrazad and Dunyazad This is a list of characters in ''One Thousand and One Nights'' ( ''The Arabian Nights''), the classic, medieval collection of Middle East, Middle-Eastern Folklore, folk tales. Characters in the frame story Scheherazade Scheherazade ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Discovery Images
In astronomy, a discovery image is typically a drawing, film base photograph, photographic plate, or digital image in which a celestial object or phenomenon was first found. This can include planets, dwarf planets, small solar system bodies (asteroids, comets, etc.) or features found on or near those objects such as ring systems or large craters. For example, a moon of Saturn, Phoebe, was the first satellite to be discovered photographically by William Henry Pickering on March 17, 1899 from photographic plates that had been taken starting on August 16, 1898 at Arequipa, Peru by DeLisle Stewart.Pickering, E. C.''A New Satellite of Saturn'' Astrophysical Journal, Vol. 9, No. 4 (April 10, 1899), pp. 274–276 The Observatory, Vol. 22, No. 278 (April 1899), pp. 158–159 Examples [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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