"Kepler's laws" meaning in English

{
  "etymology_text": "For Johannes Kepler, German mathematician and astronomer.",
  "forms": [
    {
      "form": "Kepler's law",
      "tags": [
        "singular"
      ]
    }
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      "expansion": "Kepler's laws pl (normally plural, singular Kepler's law)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "name": "Astronomy",
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          "langcode": "en",
          "name": "Copernican Revolution",
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      ],
      "glosses": [
        "The three laws of planetary motion discovered by Kepler in the early 17th century, stating that (i) the orbit of a planet is an ellipse with the Sun at one of the two foci, (ii) a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time, and (iii) the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit."
      ],
      "id": "en-Kepler's_laws-en-noun-iaqrJQov",
      "links": [
        [
          "astronomy",
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        [
          "planetary",
          "planetary"
        ],
        [
          "motion",
          "motion"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The three laws of planetary motion discovered by Kepler in the early 17th century, stating that (i) the orbit of a planet is an ellipse with the Sun at one of the two foci, (ii) a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time, and (iii) the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit."
      ],
      "related": [
        {
          "word": "Kepler's equation"
        }
      ],
      "tags": [
        "plural",
        "plural-normally"
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      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "Johannes Kepler",
        "Kepler's laws of planetary motion"
      ]
    }
  ],
  "word": "Kepler's laws"
}

{
  "etymology_text": "For Johannes Kepler, German mathematician and astronomer.",
  "forms": [
    {
      "form": "Kepler's law",
      "tags": [
        "singular"
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    }
  ],
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      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Kepler's equation"
    }
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        "en:Astronomy",
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      "glosses": [
        "The three laws of planetary motion discovered by Kepler in the early 17th century, stating that (i) the orbit of a planet is an ellipse with the Sun at one of the two foci, (ii) a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time, and (iii) the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit."
      ],
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      "raw_glosses": [
        "(astronomy) The three laws of planetary motion discovered by Kepler in the early 17th century, stating that (i) the orbit of a planet is an ellipse with the Sun at one of the two foci, (ii) a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time, and (iii) the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit."
      ],
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        "natural-sciences"
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        "Johannes Kepler",
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      ]
    }
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  "word": "Kepler's laws"
}