QuestionsYounger Dryas impact hypothesisDid an extraterrestrial impact or airburst occur at the onset of the Younger Dryas, about 12,800 years ago?Answer
Answer · Younger Dryas impact hypothesis
No impact or airburst occurred; the proposed markers are terrestrial or background cosmic material…
No impact or airburst occurred; the proposed markers are terrestrial or background cosmic material concentrated by ordinary sedimentary processes.
Where it stands
Most likelyIts tests supported it: two pieces of evidence for, one against. It needs two reviews to be accepted.
What it predicts
- The markers occur at many levels, with peaks where sedimentation slowed or surfaces stabilised.
- Their abundance at the boundary is within the range of background variation once whole sections are sampled.
- No synchronous layer survives dating at well-controlled sites.
What would rule it out
- A blind, multi-laboratory study on a complete, densely dated section finds a marker peak at the onset far above the background of the whole section, repeated at several independent sites.
Evidence 2 for · 1 against
FOR
AGAINST
The questions it answers
Most likelyNo impact or airburst occurred; the proposed markers are terrestrial or background cosmic material…
Cite it
Mysteries Department. (2026). No impact or airburst occurred; the proposed markers are terrestrial or background cosmic material… [Answer ANS0D51XBQY621Q]. https://mysteriesdept.com/r/ANS0D51XBQY621Q
@misc{mysteriesdept_ans0d51xbqy621q,
title = {No impact or airburst occurred; the proposed markers are terrestrial or background cosmic material…},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0D51XBQY621Q},
url = {https://mysteriesdept.com/r/ANS0D51XBQY621Q}
}