Planet X – English–Русский translations

🇬🇧 en ru 🇷🇺

Planet X properNoun

  /ˈplænɪt ɛks/
  • (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.)
 Плане́та Икс, Плане́та Х
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