Rapid increase in cosmogenic 14C in AD 775 measured in New Zealand kauri trees indicates short-lived increase in 14C production spanning both hemispheres
· by karmaka · in meteor/meteoroid/bolide
D. Güttler, F. Adolphi, J. Beer, N. Bleicher, G. Boswijk, M. Christl, A. Hogg, J. Palmer, C. Vockenhuber, L. Wacker, J. Wunder Earth and Planetary Science Letters Volume 411, 1 February 2015, Pages 290–297 LINK
The Chinese comet observation in AD 773 January
· by karmaka · in meteor/meteoroid/bolide
Jesse Chapman, Mark Csikszentmihalyi (U Berkeley), Ralph Neuhaeuser (U Jena) LINK PDF LINK
A transient event in AD 775 reported by al-Tabari: A bolide – not a nova, supernova, or kilonova
· by karmaka · in meteor/meteoroid/bolide
Ralph Neuhaeuser (U Jena), Paul Kunitzsch (LMU Munich) LINK PDF LINK
Mysterious abrupt carbon-14 increase in coral contributed by a comet
Yi Liu et al Scientific Reports 4, Article number: 3728 doi:10.1038/srep03728 Published 16 January 2014 LINK PDF LINK