European Space Agency
esa.int ↗European intergovernmental space agency; primary source for European space + earth-observation missions.
A — international space-agency authority; counterpart to NASA in EU.
Peer-reviewed publications + ESA + ESO partner research; methodology rigorous.
About this sub-score →Cited by science press + AI engines; major mission events drive same-day citation.
About this sub-score →Signals behind these scores
Citation Discipline
A·92- ESA publicationsSpace-mission scientific results peer-reviewed.
Modern Reference
A·88- ESA Open SciencePublic access to mission data + research.
Citation Velocity
B·82- Mission cadenceJUICE + Euclid + Solar Orbiter + Gaia missions drive citation surges.
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[European Space Agency — SourceScore Index 86 (A)](https://sourcescore.org/source/esa/)
<a href="https://sourcescore.org/source/esa/">European Space Agency — SourceScore Index 86 (A)</a>
SourceScore (v0.1). (2026). European Space Agency: SourceScore Index 86 (A). Retrieved from https://sourcescore.org/source/esa/
2 head-to-head comparisons
See all European Space Agency comparisons →European Space Agency appears in 2 canonical SourceScore comparisons — each scored on Discipline, Modern Reference, and Velocity with a quote-ready verdict and JSON twin.
5 sources at European Space Agency's tier
See peer group →Auto-computed nearest-neighbor sources by composite SourceScore distance — discover at-tier peers across all categories, with inline dim deltas surfacing who beats European Space Agency on Discipline, Modern Reference, and Velocity.
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