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Loading contentEvery dataset's license, and the upstream terms that apply to underlying source data.
Different sources carry different terms. Asteria's own compiled metadata — the graph structure, relationships, and editorial text — is CC BY-SA 4.0; upstream scientific data and imagery retain their own licenses. Licenses are never mixed silently: every dataset declares exactly one primary license (see Datasets).
Reuse and adapt freely with attribution; derivatives must carry the same license.
Attribution required · Share-alike
No known copyright; usable without restriction. Attribution is courteous, not required.
Attribution not required · No share-alike
US Government works are generally not copyrighted; some media has separate terms. Verify per-item.
Attribution not required · No share-alike
Most ESA/ESO outreach media is CC BY 4.0; scientific data may carry separate access terms.
Attribution required · No share-alike
Deep-sky object catalogue; attribution and share-alike apply.
Attribution required · Share-alike
Compiled stellar catalogue; attribution and share-alike apply.
Attribution required · Share-alike
Freely usable with the requested acknowledgement of the NASA Exoplanet Archive.
Attribution required · No share-alike
Asteria's own graph structure, relationships, and editorial text. Attribution + share-alike.
Attribution required · Share-alike