Is there a resolvable periodicity in impact cratering record ?
Could asteroids bombard the Earth to cause a mass extinction in ten
million years?
Asteroids have hit Earth throughout its history, but there’s no way to
know when
the next big one is likely. Sanna Alwmark, Lund University, Cosmos,
Agust 14, 2017
The paper is:
Matthias M. M. Meier and Sanna Holm-Alwmark, 2017, A tale of clusters: no
resolvable periodicity in the terrestrial impact cratering record.
Monthly Notices
of the Royal Astronomical Society, Volume 467, Issue 3, 1 June 2017,
Pages 2545–2551, https://doi.org/10.1093/mnras/stx211
Yours,
Paul H.
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