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Sedna (minor-planet designation: 90377 Sedna) is a dwarf planet in the outermost reaches of the Solar System, orbiting the Sun beyond the orbit of Neptune. Discovered in 2003, the planetoid's surface is one of the reddest known among Solar System bodies.
Although the survey was sensitive to movement out to 1,000 AU and discovered the likely dwarf planet Gonggong, it detected no new sednoids. [29] Subsequent simulations incorporating the new data suggested about 40 Sedna-sized objects probably exist in this region, with the brightest being about Eris's magnitude (−1.0). [29]
La grande traversée (English: The Great Adventure; also: Voyage of the Sedna (US); [8] The Great Crossing) [4] is a 2003 Canada-France short documentary film written and directed by Jean Lemire and Thierry Piantanida, [2] [3] as well as co-produced and co-narrated by Jean Lemire, [1] made to foster awareness of global warming as seriously jeopardizing a fragile Arctic ecosystem, the first ...
Recent excavations unearthed artifacts presumably from the 1813 Battle of Medina south of San Antonio.
Jenkins published his first book Recollections of Early Texas History the year he graduated from high school. He went on to become a well-known dealer in antiquarian books and documents, primarily of Texas history. Unlike many booksellers, he read much of what he bought and sold, resulting in his ten-volume Papers of the Texas Revolution. His ...
The most obvious solution to determining Sedna's peculiar orbit would be to locate a number of objects in a similar region, whose various orbital configurations would provide an indication as to their history. If Sedna had been pulled into its orbit by a trans-Neptunian planet, any other objects found in its region would have a similar ...
The Texas Almanac is a biennially published reference work providing information for the general public on the history of the US state of Texas and its people, government and politics, economics, natural resources, holidays, culture, education, recreation, the arts, and other topics.
It belongs to the extreme trans-Neptunian objects defined by their large semi-major axis and is the third sednoid ever to be discovered, after Sedna and 2012 VP 113 ("Biden"). Implications of orbit [ edit ]