Cross-File evidence ledger
Where this source supports the record
Each entry separates the File’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Unresolved phenomena · 30 June 1908Open File evidence →
The Tunguska Event
Forest near the Podkamennaya Tunguska River · Russia
Why editors use it hereIndependent space-agency account of the 1908 atmospheric impact, estimated object, blast, and planetary-defense significance.
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Quick read
A brilliant fireball and immense atmospheric explosion occurred over a remote part of central Siberia.
Reviewed 24 July 2026 -
Trigger and conditions
An extraterrestrial object entered the atmosphere at high speed and released most of its energy above the ground.
Reviewed 24 July 2026 -
Uncertainty
An atmospheric cosmic-object airburst is the strong consensus.
Reviewed 24 July 2026 -
Why it matters
The event turns an abstract planetary risk into a place-based historical record.
Reviewed 24 July 2026
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Quick read