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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 far beyond the orbit of Neptune. Discovered in 2003, the frigid planetoid is one of the reddest known among Solar System bodies.
It was discovered on November 14, 2003 by astronomers Michael Brown, Chad Trujillo, and David Rabinowitz. Sedna is currently 88 Astronomical units (AU) from the Sun, which is three times the distance between Neptune and the Sun. Sedna's orbit is an ellipse and its aphelion is estimated to be 937 AU.
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]
The Port of Texas City, operated by the Port of Texas City / Texas City Terminal Railway, is the eighth-largest port in the United States and the third-largest in Texas, with waterborne tonnage exceeding 78 million net tons. The Texas City Terminal Railway Company provides an important land link to the port, handling over 25,000 carloads per year.
Even without gravitational evidence, Mike Brown, the discoverer of Sedna, has argued that Sedna's 12,000-year orbit means that probability alone suggests that an Earth-sized object exists beyond Neptune. Sedna's orbit is so eccentric that it spends only a small fraction of its orbital period near the Sun, where it can be easily observed.
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
The Ultimate 2016 Challenge became YouTube's fastest video to reach 100 million views, doing so in just 3.2 days. It is also the eighth most-liked non-music video of all time with over 3.40 million likes. On December 14, 2016, shortly after The Ultimate 2016 Challenge was released, the Spotlight channel surpassed 1 billion total video views. [4]
KFAA-TV (channel 29) is an independent television station licensed to Decatur, Texas, United States, serving the Dallas–Fort Worth metroplex. It is owned by Tegna Inc. alongside ABC affiliate WFAA (channel 8). The two stations are based at the WFAA Communications Center Studios in Downtown Dallas, with transmitter in Cedar Hill, Texas.