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Ishtar Terra
Ishtar Terra is one of the three continental regions on the planet Venus, the others being Aphrodite Terra and Lada Terra. It is a highland region named after the Akkadian goddess Ishtar, and is found in the north of the planet. In size, it is roughly between Australia and the contiguous United States, making it the second-largest of the terrae. On its eastern edge lies the great mountain chain Maxwell Montes, which is about high, compared to Mount Everest at . On one side of the mountain chain is the impact crater Cleopatra Patera, in diameter filled with lava. Ishtar Terra contains the four main mountain ranges of Venus: Maxwell Montes on the eastern edge, Freyja Montes in the north, Akna Montes on the western edge, and Danu Montes in the southern region. These surround the lower plain of Ishtar Terra, which is named Lakshmi Planum (after the Hindu goddess Lakshmi). Ishtar Terra also contains volcanoes named after famous women: Sacajawea and Colette. Ishtar Terra is a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ishtar Terra Topo
Inanna, also sux, 𒀭𒊩𒌆𒀭𒈾, nin-an-na, label=none is an ancient Mesopotamian goddess of love, war, and fertility. She is also associated with beauty, sex, divine justice, and political power. She was originally worshiped in Sumer under the name "Inanna", and later by the Akkadians, Babylonians, and Assyrians under the name Ishtar, (occasionally represented by the logogram ). She was known as the "Queen of Heaven" and was the patron goddess of the Eanna temple at the city of Uruk, which was her main cult center. She was associated with the planet Venus and her most prominent symbols included the lion and the eight-pointed star. Her husband was the god Dumuzid (later known as Tammuz) and her , or personal attendant, was the goddess Ninshubur (who later became conflated with the male deities Ilabrat and Papsukkal). Inanna was worshiped in Sumer at least as early as the Uruk period ( 4000 BCE – 3100 BCE), but she had little cult activity before the conques ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lava
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from . The volcanic rock resulting from subsequent cooling is also often called ''lava''. A lava flow is an outpouring of lava during an effusive eruption. (An explosive eruption, by contrast, produces a mixture of volcanic ash and other fragments called tephra, not lava flows.) The viscosity of most lava is about that of ketchup, roughly 10,000 to 100,000 times that of water. Even so, lava can flow great distances before cooling causes it to solidify, because lava exposed to air quickly develops a solid crust that insulates the remaining liquid lava, helping to keep it hot and inviscid enough to continue flowing. The word ''lava'' comes from Italian and is probably derived from the Latin word ''labes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Right-hand Rule
In mathematics and physics, the right-hand rule is a common mnemonic for understanding orientation of axes in three-dimensional space. It is also a convenient method for quickly finding the direction of a cross-product of 2 vectors. Most of the various left-hand and right-hand rules arise from the fact that the three axes of three-dimensional space have two possible orientations. One can see this by holding one's hands outward and together, palms up, with the thumbs out-stretched to the right and left, and the fingers making a curling motion from straight outward to pointing upward. (Note the picture to right is not an illustration of this.) The curling motion of the fingers represents a movement from the first (''x'' axis) to the second (''y'' axis); the third (''z'' axis) can point along either thumb. Left-hand and right-hand rules arise when dealing with coordinate axes. The rule can be used to find the direction of the magnetic field, rotation, spirals, electromagnetic field ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Venus
Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never far from the Sun, either as morning star or evening star. Aside from the Sun and Moon, Venus is the brightest natural object in Earth's sky, capable of casting visible shadows on Earth at dark conditions and being visible to the naked eye in broad daylight. Venus is the second largest terrestrial object of the Solar System. It has a surface gravity slightly lower than on Earth and has a very weak induced magnetosphere. The atmosphere of Venus, mainly consists of carbon dioxide, and is the densest and hottest of the four terrestrial planets at the surface. With an atmospheric pressure at the planet's surface of about 92 times the sea level pressure of Earth and a mean temperature of , the carbon dioxide gas at Venus's surface is in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tessera (Venus)
A tessera (plural tesserae) is a region of heavily deformed terrain on Venus, characterized by two or more intersecting tectonic elements, high topography, and subsequent high radar backscatter. Tesserae often represent the oldest material at any given location and are among the most tectonically deformed terrains on Venus's surface. Diverse types of tessera terrain exist. It is not currently clear if this is due to a variety in the interactions of Venus's mantle with regional crustal or lithospheric stresses, or if these diverse terrains represent different locations in the timeline of crustal plateau formation and fall. Multiple models of tessera formation exist and further extensive studies of Venus's surface are necessary to fully understand this complex terrain. Exploration Pioneer Venus Orbiter detected regions of anomalous radar properties and high backscatter. Using SAR imaging, the Venera 15 and Venera 16 orbiters revealed these regions to be chaotically tiled terrain, w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colette
Sidonie-Gabrielle Colette (; 28 January 1873 – 3 August 1954), known mononymously as Colette, was a French author and woman of letters. She was also a mime, actress, and journalist. Colette is best known in the English-speaking world for her 1944 novella '' Gigi'', which was the basis for the 1958 film and the 1973 stage production of the same name. Her short story collection ''The Tendrils of the Vine'' is also famous in France. Life and career Family and background Sidonie-Gabrielle Colette was born on 28 January 1873 to war hero and tax collector Jules-Joseph Colette (1829–1905) and his wife Adèle Eugénie Sidonie ("Sido"), ''née'' Landoy (1835–1912), in the village of Saint-Sauveur-en-Puisaye in the department of Yonne, Burgundy. Jules-Joseph Colette was a Zouave of the Saint-Cyr military school. A war hero who had lost a leg in the Second Italian War of Independence, he was awarded a post as tax collector in the village of Saint-Sauveur-en-Puisaye where his chil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lakshmi
Lakshmi (; , sometimes spelled Laxmi, ), also known as Shri (, ), is one of the principal goddesses in Hinduism. She is the goddess of wealth, fortune, power, beauty, fertility and prosperity, and associated with ''Maya'' ("Illusion"). Along with Parvati and Saraswati, she forms the Tridevi of Hindu goddesses. Within the goddess-oriented Shaktism, Lakshmi is venerated as the prosperity aspect of the Mother goddess. Lakshmi is both the consort and the divine energy (''shakti'') of the Hindu god Vishnu, the Supreme Being of Vaishnavism; she is also the Supreme Goddess in the sect and assists Vishnu to create, protect, and transform the universe. She is an especially prominent figure in Sri Vaishnavism, in which devotion to Lakshmi is deemed to be crucial to reach Vishnu. Whenever Vishnu descended on the earth as an avatar, Lakshmi accompanied him as consort, for example, as Sita and Radha or Rukmini as consorts of Vishnu's avatars Rama and Krishna, respectively. The eight ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hindu
Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for people living in the Indian subcontinent. The term ''"Hindu"'' traces back to Old Persian which derived these names from the Sanskrit name ''Sindhu'' (सिन्धु ), referring to the river Indus. The Greek cognates of the same terms are "''Indus''" (for the river) and "''India''" (for the land of the river). The term "''Hindu''" also implied a geographic, ethnic or cultural identifier for people living in the Indian subcontinent around or beyond the Sindhu (Indus) River. By the 16th century CE, the term began to refer to residents of the subcontinent who were not Turkic or Muslims. Hindoo is an archaic spelling variant, whose use today is considered derogatory. The historical development of Hindu self-identity within the local In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lakshmi Planum
Lakshmi Planum is a plateau feature approximately 2 million sq km ringed by rugged mountains, the surface of Venus on the Western Ishtar Terra. It is named after Lakshmi, the Hindu Hindus (; ) are people who religiously adhere to Hinduism. Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ... goddess of wealth. It is roughly above the mean planetary radius. Lakshmi Planum is ringed by intensely deformed terrain, some of which is shown in the southern portion of the image and is called Clotho Tessera. The plains of Lakshmi are made up of radar-dark, homogeneous, smooth lava flows. References Surface features of Venus Lava plateaus Volcanism on Venus {{Venus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Danu Montes
Danu is an ancient Scythian word meaning ''"river"''. The commonly proposed etymology of the names of the Danube River, Dnieper River, Dniester River, Don River, and Donets River. Danu may also refer to: Mythology * A water goddess in the Indo-European religion * Danu (Irish goddess), reconstructed mother goddess of the ''Tuatha De Danann'' (Old Irish: "The peoples of the goddess Danu") * Danu (Asura), an Asura and Hindu primordial goddess of primeval waters * Dewi Danu, a Balinese Hindu water goddess People * Danu people, an ethnic group in Myanmar Places Iran Moldova * Danu, Glodeni, a commune in Glodeni district, Moldova Myanmar * Danu language, a Burmish language in Myanmar Popular culture * Danú, an Irish folk music group * The fictitious island setting of Timothy Mo's novel, '' The Redundancy of Courage'' based on the real-life nation of East Timor Acronym DANU * Doclean Academy of Sciences and Arts The Doclean Academy of Sciences and Arts ( Montenegrin and Serbian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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