Sanakirja
Tekoälykääntäjä

Synonyymit

Ääntäminen

    • IPA: /ˈplænɪt ɛks/
KieliKäännökset
espanjaplaneta X
hollantiplaneet X
italiapianeta X
portugaliPlaneta X
ranskaplanète X
ruotsiplaneten X
saksaTranspluto, Planet X
suomiplaneetta X
venäjäПлане́та Х (Planéta H), Плане́та Икс (Planéta Iks)

Määritelmät

Erisnimi

  1. (astronomy) A hypothetical planet in the Solar system, beyond the currently known outermost planet. (The term was applied to Eris for a short while, when Pluto was still considered the ninth planet.)
  2. (astronomy, obsolete) A theoretical planet responsible for reported gravitational perturbations of Neptune's orbit. (This was initially believed to be Pluto. The reported perturbations were an error.)
  3. (astronomy, obsolete) A theoretical planet responsible for observed gravitational perturbations of Uranus' orbit. (This planet was discovered and is now known as Neptune.)