"Messier 87*" meaning in English

{
  "etymology_text": "Coined in analogy to Sagittarius A*.",
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        "head": "Messier 87*"
      },
      "expansion": "Messier 87*",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Black holes",
          "orig": "en:Black holes",
          "parents": [
            "Astronomy",
            "Astrophysics",
            "Gravity",
            "Relativity",
            "Sciences",
            "Space",
            "Physics",
            "Acceleration",
            "Mechanics",
            "All topics",
            "Nature",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "The central supermassive black hole of galaxy Messier 87, the first directly imaged supermassive blackhole"
      ],
      "id": "en-Messier_87*-en-name-MScxvZ7T",
      "links": [
        [
          "supermassive black hole",
          "supermassive black hole"
        ],
        [
          "Messier 87",
          "Messier 87"
        ]
      ],
      "related": [
        {
          "alt": "the central supermassive blackhole of the Milky Way Galaxy",
          "word": "Sagittarius A*"
        },
        {
          "alt": "the central supermassive blackhole of the Milky Way Galaxy",
          "roman": "the central supermassive blackhole of the Milky Way Galaxy",
          "word": "Sgr A*"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "M87*"
        },
        {
          "word": "Pōwehi"
        },
        {
          "word": "NGC 4486*"
        },
        {
          "word": "Virgo X-1*"
        },
        {
          "word": "Virgo A*"
        }
      ],
      "wikipedia": [
        "en:Pōwehi"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɛs.i.eɪ ˈeɪ.ti ˈsɛv.ən ˈstɑː(ɹ)/"
    }
  ],
  "word": "Messier 87*"
}

{
  "etymology_text": "Coined in analogy to Sagittarius A*.",
  "head_templates": [
    {
      "args": {
        "head": "Messier 87*"
      },
      "expansion": "Messier 87*",
      "name": "en-proper-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "alt": "the central supermassive blackhole of the Milky Way Galaxy",
      "word": "Sagittarius A*"
    },
    {
      "alt": "the central supermassive blackhole of the Milky Way Galaxy",
      "roman": "the central supermassive blackhole of the Milky Way Galaxy",
      "word": "Sgr A*"
    }
  ],
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        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Black holes"
      ],
      "glosses": [
        "The central supermassive black hole of galaxy Messier 87, the first directly imaged supermassive blackhole"
      ],
      "links": [
        [
          "supermassive black hole",
          "supermassive black hole"
        ],
        [
          "Messier 87",
          "Messier 87"
        ]
      ],
      "wikipedia": [
        "en:Pōwehi"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɛs.i.eɪ ˈeɪ.ti ˈsɛv.ən ˈstɑː(ɹ)/"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "M87*"
    },
    {
      "word": "Pōwehi"
    },
    {
      "word": "NGC 4486*"
    },
    {
      "word": "Virgo X-1*"
    },
    {
      "word": "Virgo A*"
    }
  ],
  "word": "Messier 87*"
}