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Loading contentExplains how two entities are related by naming the real relations that link them — 'discovered by', 'orbits', 'is a kind of' — so a connection is never asserted without the graph edge that backs it.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.