"Planet IX" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "head": "Planet IX"
      },
      "expansion": "Planet IX",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Planet 9"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of Planet 9."
      ],
      "id": "en-Planet_IX-en-name-VNZBJcjH",
      "links": [
        [
          "Planet 9",
          "Planet 9#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "Planet IX"
}

{
  "head_templates": [
    {
      "args": {
        "head": "Planet IX"
      },
      "expansion": "Planet IX",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Planet 9"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms containing Roman numerals",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative form of Planet 9."
      ],
      "links": [
        [
          "Planet 9",
          "Planet 9#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "Planet IX"
}