This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
JPL's Near-Earth Object program publicly explained that a massive Nibiru-like object approaching Earth would have been detected telescopically and would produce measurable perturbations in planetary orbits.
Explanatory institutional source; the underlying physics is independently testable and should not be accepted merely on NASA authority.