{
  "type": "constants-index",
  "count": 9,
  "items": [
    {
      "id": "speed-of-light",
      "label": "Speed of light in vacuum",
      "symbol": "c",
      "unit": "m s^-1",
      "value": 299792458,
      "path": "/universe/constants/speed-of-light"
    },
    {
      "id": "planck-constant",
      "label": "Planck constant",
      "symbol": "h",
      "unit": "J s",
      "value": 6.62607015e-34,
      "path": "/universe/constants/planck-constant"
    },
    {
      "id": "elementary-charge",
      "label": "Elementary charge",
      "symbol": "e",
      "unit": "C",
      "value": 1.602176634e-19,
      "path": "/universe/constants/elementary-charge"
    },
    {
      "id": "avogadro-constant",
      "label": "Avogadro constant",
      "symbol": "N_A",
      "unit": "mol^-1",
      "value": 6.02214076e+23,
      "path": "/universe/constants/avogadro-constant"
    },
    {
      "id": "boltzmann-constant",
      "label": "Boltzmann constant",
      "symbol": "k_B",
      "unit": "J K^-1",
      "value": 1.380649e-23,
      "path": "/universe/constants/boltzmann-constant"
    },
    {
      "id": "gravitational-constant",
      "label": "Newtonian constant of gravitation",
      "symbol": "G",
      "unit": "m^3 kg^-1 s^-2",
      "value": 6.6743e-11,
      "path": "/universe/constants/gravitational-constant"
    },
    {
      "id": "fine-structure-constant",
      "label": "Fine-structure constant",
      "symbol": "α",
      "unit": "dimensionless",
      "value": 0.0072973525693,
      "path": "/universe/constants/fine-structure-constant"
    },
    {
      "id": "electron-mass",
      "label": "Electron mass",
      "symbol": "m_e",
      "unit": "kg",
      "value": 9.1093837015e-31,
      "path": "/universe/constants/electron-mass"
    },
    {
      "id": "proton-mass",
      "label": "Proton mass",
      "symbol": "m_p",
      "unit": "kg",
      "value": 1.67262192369e-27,
      "path": "/universe/constants/proton-mass"
    }
  ],
  "generatedAt": "2025-08-14T15:49:05.084Z"
}