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> RECORD OBS-0326 | status: UNPROVEN | filed 2026-07-31
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Tunguska event as a comet impact

RecordOBS-0326
CategoryUnsorted/Other
StatusUNPROVEN
SummarySome scientists have proposed that the Tunguska event was caused by a comet, possibly a fragment of Comet Encke, rather than an asteroid. This theory attempts to explain the lack of meteorite fragments and the glowing skies observed after the event.
OriginThe comet theory was suggested in 1930, and has been discussed in scientific literature since then.
Claimed
  • The object was a comet, not an asteroid.
  • The comet was a fragment of Comet Encke.
  • The comet's icy composition explains the lack of a crater and meteorite fragments.
  • The glowing skies were caused by dust and ice from the comet dispersed in the atmosphere.
Evidence / consensusThe comet theory is one of several proposed explanations, but it is not conclusively proven. The asteroid air burst theory remains the most widely accepted. The comet theory is considered plausible but lacks definitive evidence.
> OBSERVER NOTE:
The comet hypothesis is a scientific alternative, not a fringe claim. It is based on observable phenomena but remains speculative. The evidence is insufficient to confirm the object's composition.

Sources

  1. The Tunguska event explained | Royal Observatory Greenwich

Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.