50 citations · 174 across the 7 of their papers we have counts for
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astro-ph.EP2020★ 25 cited
The hazard from fragmenting comets
W. M. Napier
Comet disintegration proceeds both through sublimation and discrete splitting events. The cross-sectional area of material ejected by a comet may, within days, become many times gr…
astro-ph.EP2015★ 49 cited
Giant comets and mass extinctions of life
W. M. Napier
I find evidence for clustering in age of well-dated impact craters over the last 500 Myr. At least nine impact episodes are identified, with durations whose upper limits are set by…
astro-ph.EP2010★ 15 cited
Palaeolithic extinctions and the Taurid Complex
W. M. Napier
Intersection with the debris of a large (50-100 km) short-period comet during the Upper Palaeolithic provides a satisfactory explanation for the catastrophe of celestial origin whi…