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Sedna has a V band absolute magnitude of about 1.8, and is estimated to have an albedo (reflectivity) of around 0.41, giving it a diameter of approximately 900 km. [14] At the time of discovery it was the brightest object found in the Solar System since Pluto in 1930.
2003 Sedna. 90377 Sedna is a trans-Neptunian object and a likely dwarf planet. For most of its orbit Sedna is farther from the Sun than any other known dwarf planet candidate. In 2003, Sedna was co-discovered by Michael E. Brown, Chad Trujillo, and David Rabinowitz using the Samuel Oschin Telescope at Palomar Observatory. [143] 2003 Psamathe
Indigenous people lived in what is now Texas more than 10,000 years ago, as evidenced by the discovery of the remains of prehistoric Leanderthal Lady.In 1519, the arrival of the first Spanish conquistadors in the region of North America now known as Texas found the region occupied by numerous Native American tribes.
Sedna (Inuktitut: แดแแ, romanized: Sanna, previously Sedna or Sidne) is the goddess of the sea and marine animals in Inuit religion, also known as the Mother of the Sea or Mistress of the Sea. The story of Sedna, which is a creation myth, describes how she came to rule over Adlivun , the Inuit equivalent of the underworld .
(Credit: University of North Texas / Portal to Texas History) Civil rights victory 70 years ago In 2024, the landmark Brown vs. Board of Education case is likely to be in the forefront of civil ...
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]
Texas Declares Independence. Austin and Tanner map of Texas in 1836 Detail of the Republic of Texas from the Lizars map of Mexico and Guatemala, circa 1836. March 2 – The Texas Declaration of Independence is signed by 58 delegates at an assembly at Washington-on-the-Brazos and the Republic of Texas is declared. [1]
In case you missed it, June is Pride Month − a time to celebrate and support the LGBTQ+ community. As Texans partake in the festivities, some may remember key moments in the state's queer history.