| − | '''Sedna''' is a [[planetoid]] of [[rock]] and [[ice]] about three-quarters the size of [[Pluto]] discovered in 2003, the most distant object known to orbit around the [[Sun]]. | + | '''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 Marcy 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. |