Vocab Bloom Hub

sedna

/ˈsɛd.nə/

1 entry

noun

/ˈsɛd.nə/formalscientific
  • ruИмя собственное, обозначающее далёкую планетоиду, состоящую из камня и льда, примерно в три четверти размера Плутона, открытую в 2003 году и известную как самый удалённый объект, вращающийся вокруг Солнца.

A proper noun referring to a distant planetoid composed of rock and ice, approximately three-quarters the size of Pluto, discovered in 2003 and known as the most distant object orbiting the sun.

uncountable · proper noun

  1. Dwarf planet candidateC2formalscientific

    A large, distant trans-Neptunian object made of rock and ice, about three-quarters the size of Pluto, discovered in 2003; it is one of the most distant known objects orbiting the Sun.

    ruКандидат в карликовые планеты

    • Sedna takes approximately 11,400 years to complete one orbit around the Sun.
    • The discovery of Sedna in 2003 expanded our understanding of the outer Solar System.
    • Astronomers study Sedna to learn more about the early formation of the solar system.