"Mpc/h" meaning in Translingual

{
  "forms": [
    {
      "form": "h",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "h",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Astronomy",
          "orig": "mul:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An indeterminate unit of distance between 4/3 Mpc and 2 Mpc. The h is a parameter in the closed interval [0.5, 0.75] and reflects an uncertainty in the Hubble constant. For example, in a universe where the Hubble constant is 70,(km)/(sMpc), h is 0.7. Similarly, a Hubble constant of 50,(km)/(sMpc) would lead to a value for h of 0.5."
      ],
      "id": "en-Mpc/h-mul-symbol-Ibc4DeGt",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Mpc",
          "Mpc"
        ],
        [
          "Hubble constant",
          "Hubble constant"
        ]
      ],
      "raw_glosses": [
        "(astronomy) An indeterminate unit of distance between 4/3 Mpc and 2 Mpc. The h is a parameter in the closed interval [0.5, 0.75] and reflects an uncertainty in the Hubble constant. For example, in a universe where the Hubble constant is 70,(km)/(sMpc), h is 0.7. Similarly, a Hubble constant of 50,(km)/(sMpc) would lead to a value for h of 0.5."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "Parsec"
      ]
    }
  ],
  "word": "Mpc/h"
}

{
  "forms": [
    {
      "form": "h",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "h",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual symbols",
        "mul:Astronomy"
      ],
      "glosses": [
        "An indeterminate unit of distance between 4/3 Mpc and 2 Mpc. The h is a parameter in the closed interval [0.5, 0.75] and reflects an uncertainty in the Hubble constant. For example, in a universe where the Hubble constant is 70,(km)/(sMpc), h is 0.7. Similarly, a Hubble constant of 50,(km)/(sMpc) would lead to a value for h of 0.5."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Mpc",
          "Mpc"
        ],
        [
          "Hubble constant",
          "Hubble constant"
        ]
      ],
      "raw_glosses": [
        "(astronomy) An indeterminate unit of distance between 4/3 Mpc and 2 Mpc. The h is a parameter in the closed interval [0.5, 0.75] and reflects an uncertainty in the Hubble constant. For example, in a universe where the Hubble constant is 70,(km)/(sMpc), h is 0.7. Similarly, a Hubble constant of 50,(km)/(sMpc) would lead to a value for h of 0.5."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "Parsec"
      ]
    }
  ],
  "word": "Mpc/h"
}