{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/esa/",
  "source": {
    "slug": "esa",
    "name": "European Space Agency",
    "domain": "esa.int",
    "category": "Government",
    "summary": "European intergovernmental space agency; primary source for European space + earth-observation missions.",
    "founded": 1975,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 86,
      "grade": "A",
      "rationale": "A — international space-agency authority; counterpart to NASA in EU.",
      "signals": [
        {
          "label": "Composite",
          "detail": "All 4 dimensions ≥82."
        }
      ]
    },
    "discipline": {
      "value": 92,
      "grade": "A",
      "rationale": "Peer-reviewed publications + ESA + ESO partner research; methodology rigorous.",
      "signals": [
        {
          "label": "ESA publications",
          "detail": "Space-mission scientific results peer-reviewed."
        }
      ]
    },
    "modernReference": {
      "value": 88,
      "grade": "A",
      "rationale": "Open data + ESA Open Science Repository + bulk imagery.",
      "signals": [
        {
          "label": "ESA Open Science",
          "detail": "Public access to mission data + research."
        }
      ]
    },
    "velocity": {
      "value": 82,
      "grade": "B",
      "rationale": "Cited by science press + AI engines; major mission events drive same-day citation.",
      "signals": [
        {
          "label": "Mission cadence",
          "detail": "JUICE + Euclid + Solar Orbiter + Gaia missions drive citation surges."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}