"Population I" meaning in English

{
  "etymology_text": "Proposed by astronomer Walter Baade in 1944.",
  "head_templates": [
    {
      "args": {
        "head": "Population I"
      },
      "expansion": "Population I",
      "name": "en-proper-noun"
    }
  ],
  "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"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Stars",
          "parents": [
            "Celestial bodies",
            "Space",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Translingual links with manual fragments",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astrophysics",
          "orig": "en:Astrophysics",
          "parents": [
            "Astronomy",
            "Physics",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "Pop I"
        }
      ],
      "examples": [
        {
          "ref": "2019 December 11, Brian Koberlein, “The Stars In Our Galaxy Are More Varied Than We Thought”, in Forbes, archived from the original on 2022-09-15:",
          "text": "We generally place stars into one of three populations based on their metallicity. Population I stars like the Sun are metal heavy. They are younger stars and tend to be found in the spiral arms of the Milky Way.",
          "type": "quote"
        },
        {
          "ref": "2021 May 21, Tom Metcalfe, “An ancient star casts new light on the birth of the universe”, in NBC News, archived from the original on 2022-07-06:",
          "text": "Most stars, such as the sun, are third-generation \"Population I\" stars that contain relatively heavy elements such as iron, nickel, carbon and oxygen.",
          "type": "quote"
        },
        {
          "ref": "2022 December 6, Jonathan O'Callaghan, “Astronomers Grapple with JWST’s Discovery of Early Galaxies”, in Scientific American, archived from the original on 2022-12-09:",
          "text": "The brightness of these galaxies could be attributed to such stars, which would be much hotter and brighter than subsequent Population II stars and Population I stars, such as our sun, both of which fill our modern-day universe.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A population or group of stars formed relatively late in the history of the Universe, characterized by having a high metallicity."
      ],
      "id": "en-Population_I-en-name-rl2O522G",
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "star",
          "star"
        ],
        [
          "Universe",
          "Universe"
        ],
        [
          "metallicity",
          "metallicity"
        ]
      ],
      "raw_glosses": [
        "(astrophysics, usually attributively) A population or group of stars formed relatively late in the history of the Universe, characterized by having a high metallicity."
      ],
      "synonyms": [
        {
          "word": "population I"
        }
      ],
      "tags": [
        "attributive",
        "usually"
      ],
      "topics": [
        "astrophysics"
      ],
      "wikipedia": [
        "Population I",
        "Walter Baade"
      ]
    }
  ],
  "word": "Population I"
}

{
  "derived": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "Pop I"
    }
  ],
  "etymology_text": "Proposed by astronomer Walter Baade in 1944.",
  "head_templates": [
    {
      "args": {
        "head": "Population I"
      },
      "expansion": "Population I",
      "name": "en-proper-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms containing Roman numerals",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Stars",
        "Translingual links with manual fragments",
        "en:Astrophysics"
      ],
      "examples": [
        {
          "ref": "2019 December 11, Brian Koberlein, “The Stars In Our Galaxy Are More Varied Than We Thought”, in Forbes, archived from the original on 2022-09-15:",
          "text": "We generally place stars into one of three populations based on their metallicity. Population I stars like the Sun are metal heavy. They are younger stars and tend to be found in the spiral arms of the Milky Way.",
          "type": "quote"
        },
        {
          "ref": "2021 May 21, Tom Metcalfe, “An ancient star casts new light on the birth of the universe”, in NBC News, archived from the original on 2022-07-06:",
          "text": "Most stars, such as the sun, are third-generation \"Population I\" stars that contain relatively heavy elements such as iron, nickel, carbon and oxygen.",
          "type": "quote"
        },
        {
          "ref": "2022 December 6, Jonathan O'Callaghan, “Astronomers Grapple with JWST’s Discovery of Early Galaxies”, in Scientific American, archived from the original on 2022-12-09:",
          "text": "The brightness of these galaxies could be attributed to such stars, which would be much hotter and brighter than subsequent Population II stars and Population I stars, such as our sun, both of which fill our modern-day universe.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A population or group of stars formed relatively late in the history of the Universe, characterized by having a high metallicity."
      ],
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "star",
          "star"
        ],
        [
          "Universe",
          "Universe"
        ],
        [
          "metallicity",
          "metallicity"
        ]
      ],
      "raw_glosses": [
        "(astrophysics, usually attributively) A population or group of stars formed relatively late in the history of the Universe, characterized by having a high metallicity."
      ],
      "tags": [
        "attributive",
        "usually"
      ],
      "topics": [
        "astrophysics"
      ],
      "wikipedia": [
        "Population I",
        "Walter Baade"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "population I"
    }
  ],
  "word": "Population I"
}