Difference between revisions of "Sedna"
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Until recently, it was the most distant object known to orbit around the [[Sun]]. But on March 26, 2014, it lost that honor. Astronomers reported a new object, 2012VP113, that orbits slightly further away from the Sun even at [[apsis|perihelion]]. The astronomers who reported this object, expect to find many more at this and greater distances from the Sun.<ref name=examiner>Hurlbut TA, "Sedna has company, and lots of it," ''Creationism Examiner'', 26 March 2014. <http://www.examiner.com/article/sedna-has-company-and-lots-of-it></ref><ref name=Trujillo>Trujillo CA and Sheppard SS, "A Sedna-like body with a perihelion of 80 astronomical units," ''Nature'' '''507''':471–474, 27 March 2014 {{doi|10.1038/nature13156}}</ref> | Until recently, it was the most distant object known to orbit around the [[Sun]]. But on March 26, 2014, it lost that honor. Astronomers reported a new object, 2012VP113, that orbits slightly further away from the Sun even at [[apsis|perihelion]]. The astronomers who reported this object, expect to find many more at this and greater distances from the Sun.<ref name=examiner>Hurlbut TA, "Sedna has company, and lots of it," ''Creationism Examiner'', 26 March 2014. <http://www.examiner.com/article/sedna-has-company-and-lots-of-it></ref><ref name=Trujillo>Trujillo CA and Sheppard SS, "A Sedna-like body with a perihelion of 80 astronomical units," ''Nature'' '''507''':471–474, 27 March 2014 {{doi|10.1038/nature13156}}</ref> | ||
| + | ==References== | ||
{{reflist}} | {{reflist}} | ||
[[Category:Astronomy]] | [[Category:Astronomy]] | ||
Latest revision as of 22:37, April 3, 2021
Sedna is a dwarf planet of rock and ice about three-quarters the size of Pluto discovered in 2003,
Until recently, it was the most distant object known to orbit around the Sun. But on March 26, 2014, it lost that honor. Astronomers reported a new object, 2012VP113, that orbits slightly further away from the Sun even at perihelion. The astronomers who reported this object, expect to find many more at this and greater distances from the Sun.[1][2]
References
- ↑ Hurlbut TA, "Sedna has company, and lots of it," Creationism Examiner, 26 March 2014. <http://www.examiner.com/article/sedna-has-company-and-lots-of-it>
- ↑ Trujillo CA and Sheppard SS, "A Sedna-like body with a perihelion of 80 astronomical units," Nature 507:471–474, 27 March 2014 doi:10.1038/nature13156