Definition, Meaning, Synonyms & Anagrams | English word SEDNA

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Definitions of SEDNA

1. (mythology, Inuit mythology) The Inuit goddess of the sea and marine animals.
2. (astronomy) 90377 Sedna, a trans-Neptunian dwarf planet whose eccentric detached orbit is wholly beyond the Kuiper belt.

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Examples of Using SEDNA in a Sentence

• In sculptures, Sedna is often depicted with the head and upper body of a woman and the tail of a marine mammal, similar to a mermaid.
• After expelling O'Drennan (Ó Draighneán), chief of Cenel Sedna, O'Cahan was henceforth known as chief of Cenel Sedna.
• This was the telescope that produced the images leading to the discovery of 50000 Quaoar in 2002, and 90377 Sedna in 2003 (published 2004) and the dwarf planet Eris.
• It is suggested that an exploratory fly-by mission to Sedna near its perihelion through a Jupiter gravity assist could be completed in 24.
• Particularly notable are Eris, a dwarf planet and the only TNO known to be more massive than Pluto, leading directly to Pluto's demotion from planet status; Sedna, a planetoid thought to be the first observed body of the inner Öpik–Oort cloud; and Orcus.
• Hurt produced the first published artist concepts of the Trans-Neptunian object 90377 Sedna, from data obtained by the Spitzer Space Telescope.
• Its spectral slope (a measure of body reflectance in function of the wavelength) is twice as steep as that of other Inuit-group satellites (20% per 100 nm), typical for red trans-Neptunian objects like Sedna but unknown for irregular satellites.
• The angakkuq would then beg or fight with Sedna to ensure that his people would not starve, and the Inuit believed that his pleading and apologies on behalf of his people would allow the animals to return and hunters to be successful.
• In the Welsh genealogies of the saints, Aeddan is called the son of Gildas or Aneurin, sons of Caw, king of Strathclyde; Irish sources make him a son of Sedna, a chieftain of Connaught and his wife Eithne and a first cousin of St.
• Chad Trujillo, astronomer and co-discoverer of several Trans-Neptunian objects including Quaoar, Sedna, Orcus, and Eris.
• Giolla na Naomh Ó hUidhrín wrote in the 14th century that the earliest ancestor of the Brophys was Sedna, the great-grandson of the semi-legendary pre-Christian founder of the Kingdom of Ossory, Óengus Osrithe.
• wrote that near-infrared spectroscopy by the James Webb Space Telescope (JWST) in 2022 suggests that Sedna, Gonggong, and Quaoar underwent internal melting, differentiation, and chemical evolution, like the larger dwarf planets Pluto, Eris, Haumea, and Makemake, but unlike "all smaller KBOs".
• Thus SSSBs are: the comets; the classical asteroids, with the exception of the dwarf planet Ceres; the trojans; and the centaurs and trans-Neptunian objects, with the exception of the dwarf planets Pluto, Haumea, Makemake, Quaoar, Orcus, Sedna, Gonggong and Eris and others that may turn out to be dwarf planets.
• The northern volcanic cone, meanwhile, is the source for a single major flow that extends down the flanks of Sif Mons for ~200 kilometers before continuing into southern Sedna Planitia.
• To be cautious, he advised the IAU to "officially" accept as dwarf planets the top three: Sedna, Orcus, and Quaoar.
• Teams by Mike Brown, Chad Trujillo and David Rabinowitz discovered the trans-Neptunian objects (TNO) Quaoar in 2002, Sedna in 2003, Orcus and Haumea in 2004 and Makemake in 2005, part of the most notable KBOs, some now regarded as dwarf planets.
• Doriprismatica sedna is a species of colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.
• With this knowledge and the experience gained from their journey, Marin and Kanon help the islanders accept Sedna back into their hearts, freeing a remorseful Urin and letting Sedna disappear peacefully.
• As of March 2008, all xBase components of the VFP 9 SP2 (including Sedna) were available for community-development on CodePlex.
• In the 21st century, several new planet-sized bodies, including Sedna (20px), Quaoar (20px), Orcus (20px), Gonggong (20px), Haumea (20px), Makemake (20px), and Eris (20px), have been discovered.

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