"天文学者" meaning in Japanese

{
  "forms": [
    {
      "form": "天文学者",
      "ruby": [
        [
          "天",
          "てん"
        ],
        [
          "文",
          "もん"
        ],
        [
          "学",
          "がく"
        ],
        [
          "者",
          "しゃ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tenmongakusha",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "てんもんがくしゃ"
      },
      "expansion": "天(てん)文(もん)学(がく)者(しゃ) • (tenmongakusha)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Astronomy",
          "orig": "ja:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Scientists",
          "orig": "ja:Scientists",
          "parents": [
            "Occupations",
            "Sciences",
            "People",
            "Work",
            "All topics",
            "Human",
            "Human activity",
            "Fundamental",
            "Human behaviour"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "astronomer"
      ],
      "id": "en-天文学者-ja-noun-xrI7Dyzw",
      "links": [
        [
          "astronomer",
          "astronomer"
        ]
      ],
      "related": [
        {
          "roman": "tenmongaku",
          "ruby": [
            [
              "天文学",
              "てんもんがく"
            ]
          ],
          "word": "天文学: astronomy"
        }
      ]
    }
  ],
  "word": "天文学者"
}

{
  "forms": [
    {
      "form": "天文学者",
      "ruby": [
        [
          "天",
          "てん"
        ],
        [
          "文",
          "もん"
        ],
        [
          "学",
          "がく"
        ],
        [
          "者",
          "しゃ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tenmongakusha",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "てんもんがくしゃ"
      },
      "expansion": "天(てん)文(もん)学(がく)者(しゃ) • (tenmongakusha)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "tenmongaku",
      "ruby": [
        [
          "天文学",
          "てんもんがく"
        ]
      ],
      "word": "天文学: astronomy"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "Pages with raw sortkeys",
        "ja:Astronomy",
        "ja:Scientists"
      ],
      "glosses": [
        "astronomer"
      ],
      "links": [
        [
          "astronomer",
          "astronomer"
        ]
      ]
    }
  ],
  "word": "天文学者"
}