"massive compact halo object" meaning in English

{
  "etymology_text": "Perhaps coined with the acronym, MACHO, in mind. See also WIMP, which represents a competing hypothesis.",
  "forms": [
    {
      "form": "massive compact halo objects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "massive compact halo object (plural massive compact halo objects)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "WIMP",
          "word": "weakly interacting massive particle"
        },
        {
          "alt": "SIMP",
          "word": "strongly interacting massive particle"
        },
        {
          "alt": "RAMBO",
          "word": "robust associations of massive baryonic objects"
        }
      ],
      "derived": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "MACHO"
        }
      ],
      "glosses": [
        "Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos."
      ],
      "hypernyms": [
        {
          "english": "non-luminous matter needed to balance the orbital speeds observed in stars in galaxies with the observed luminous mass of the galaxy in question",
          "word": "dark matter"
        }
      ],
      "id": "en-massive_compact_halo_object-en-noun-Mdo1RFPn",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "astronomical",
          "astronomical"
        ],
        [
          "baryonic",
          "baryonic"
        ],
        [
          "dark matter",
          "dark matter"
        ],
        [
          "galaxy",
          "galaxy"
        ],
        [
          "halo",
          "halo"
        ]
      ],
      "raw_glosses": [
        "(astronomy, physics) Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos."
      ],
      "synonyms": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "MACHO"
        },
        {
          "word": "massive astronomical compact halo object"
        },
        {
          "word": "massive astrophysical compact halo object"
        },
        {
          "word": "massive and compact halo object"
        }
      ],
      "topics": [
        "astronomy",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "astronomical body",
          "word": "暈族大質量緻密天體"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "yūnzú dàzhìliàng zhìmì tiāntǐ",
          "sense": "astronomical body",
          "word": "晕族大质量致密天体"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "astronomical body",
          "word": "massiivinen kompakti halo-objekti"
        }
      ],
      "wikipedia": [
        "Massive compact halo object"
      ]
    }
  ],
  "word": "massive compact halo object"
}

{
  "coordinate_terms": [
    {
      "english": "WIMP",
      "word": "weakly interacting massive particle"
    },
    {
      "alt": "SIMP",
      "word": "strongly interacting massive particle"
    },
    {
      "alt": "RAMBO",
      "word": "robust associations of massive baryonic objects"
    }
  ],
  "derived": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "MACHO"
    }
  ],
  "etymology_text": "Perhaps coined with the acronym, MACHO, in mind. See also WIMP, which represents a competing hypothesis.",
  "forms": [
    {
      "form": "massive compact halo objects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "massive compact halo object (plural massive compact halo objects)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "english": "non-luminous matter needed to balance the orbital speeds observed in stars in galaxies with the observed luminous mass of the galaxy in question",
      "word": "dark matter"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Astronomy",
        "en:Physics"
      ],
      "glosses": [
        "Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "astronomical",
          "astronomical"
        ],
        [
          "baryonic",
          "baryonic"
        ],
        [
          "dark matter",
          "dark matter"
        ],
        [
          "galaxy",
          "galaxy"
        ],
        [
          "halo",
          "halo"
        ]
      ],
      "raw_glosses": [
        "(astronomy, physics) Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos."
      ],
      "topics": [
        "astronomy",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Massive compact halo object"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "MACHO"
    },
    {
      "word": "massive astronomical compact halo object"
    },
    {
      "word": "massive astrophysical compact halo object"
    },
    {
      "word": "massive and compact halo object"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "astronomical body",
      "word": "暈族大質量緻密天體"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "yūnzú dàzhìliàng zhìmì tiāntǐ",
      "sense": "astronomical body",
      "word": "晕族大质量致密天体"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "astronomical body",
      "word": "massiivinen kompakti halo-objekti"
    }
  ],
  "word": "massive compact halo object"
}