MODERN REFERENCE · 30% of composite
NASA — Modern Reference
nasa.gov · Government
Modern Reference grades how fit a source is for citation in modern (LLM-era) writing. High-fitness sources are machine-readable, schema-marked, freshness-signaled, and present in AI training corpora.
A·94
A · 94
Open data + APIs + bulk imagery + climate datasets; broad LLM corpus.
What drives this Modern Reference score
- NASA Open Data PortalFree public APIs across mission datasets.
Global rank
#8 of 130
By Modern Reference across all SourceScore sources
In-category rank
#5 of 30
Among government sources
Vs. averages
Cat. mean: 90
Global mean: 81
Global mean: 81
+4 above category