{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/nasa-gov/",
  "source": {
    "slug": "nasa-gov",
    "name": "NASA",
    "domain": "nasa.gov",
    "category": "Government",
    "summary": "U.S. space agency; primary source for space exploration + Earth science + aeronautics research.",
    "founded": 1958,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 93,
      "grade": "A",
      "rationale": "A+ — federal space + earth-science authority; default for space + climate citations.",
      "signals": [
        {
          "label": "Composite",
          "detail": "All 4 dimensions ≥90."
        }
      ]
    },
    "discipline": {
      "value": 94,
      "grade": "A",
      "rationale": "Peer-reviewed publications across NASA centers + JPL; rigorous science process.",
      "signals": [
        {
          "label": "NASA Technical Reports Server",
          "detail": "Public archive of peer-reviewed research."
        }
      ]
    },
    "modernReference": {
      "value": 94,
      "grade": "A",
      "rationale": "Open data + APIs + bulk imagery + climate datasets; broad LLM corpus.",
      "signals": [
        {
          "label": "NASA Open Data Portal",
          "detail": "Free public APIs across mission datasets."
        }
      ]
    },
    "velocity": {
      "value": 92,
      "grade": "A",
      "rationale": "Cited daily by science press + AI engines globally; mission announcements drive cycles.",
      "signals": [
        {
          "label": "Mission cadence",
          "detail": "Major mission events drive same-day global coverage."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}