Days since NASA has reported WISE finding a comet or asteroid NEO: 19

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Science News: Signs of giant comet impacts found in cores

Copious ammonium may be evidence of a 50-billion-ton strike at the end of the ice age Signs of giant comet impacts found in cores, Science News, March 30, 2010 By Sid Perkins A new study cites spikes of ammonium in Greenland ice cores as evidence for a giant comet impact at the end of […]

NASA continues opaque and clumsy treatment of dark comets and dark asteroids found by WISE

NASA put out another one of those creepy home made news articles today regarding the WISE mission finding dark objects. This one is even more condescending than usual, with the inane lede, “Imagine you are a Brontosaurus….”

Well, I am not a “Brontosaurus.” But I am keenly interested in what the hell WISE is […]

Bang: Two new papers out concerning proposed Younger Dryas Event

Adrian Melott

[See here for a news article from December previewing Melott’s March publication.]

I’m still unpacking these two brand new papers from Adrian Melott and A.E. Carlson comparing the atmospheric signals of the Tunguska Event and the start of the Younger Dryas, but they appear relatively positive from standpoint […]

Man observes disintegrating comet...from his desk at work

Rare Bill Napier Essay: Giant Comets -- Messengers of Life and Death

GIANT COMETS — MESSENGERS OF LIFE AND DEATH William P. Napier (Appeared in an anthology: “God, the universe and men – Why do we exist?” (ed. Wabbel, T.D.), Patmos, Dusseldorf, 2003 (original in German). A Neolithic comet Comets are jokers in the celestial pack. They irrupt, usually without forewarning, into the orderly progression of […]

Tusk prompts Grondine to query Napier on Dark, Dead comets and the effort to find them

From E.P. Grondine on Meteorite List: Following a quote at from astronomer Bill Napier on the abilities of WISE to detect dead comet fragments, I wrote him asking him about it. As his reply also deals with some meteorites’ parent bodies (Tagish Lake being prominent) and the composition of comet cores, I think meteorite […]

NASA: Comet launching companion star to sun

Richard Muller and a Serpent

The Nemesis theory — that a dark, comet launching, orbital companion to our sun lurks between our star and others — seems to be gaining traction among those who matter. [Astropbiology Magazine Exclusive: Getting WISE about Nemesis]

As the Cosmic Tusk has revealed in earlier […]

Abstract: Holocene Impact Working Group summary of research

Holocene Impact Working Group 2010


NatGeo Rerun: Holocene Working Group and the Thunder Down Under - March 25, 10:00 pm

Here is a good looking television show I missed the first time around. I watched several substantial clips on the the webpage and it appears well done (if a tad bit overwrought like most science TV).

I have long cheered the work of Ted Bryant, Dallas Abbott, Slava […]

Guest Blog: E.P. Grondine's compilation of The First Peoples' accounts of the YD Impacts

From Man and Impacts in the Americas by E.P. Grondine. See here for Ed’s Dead Car Special!


As far as the 10,900 BCE comet impact event, many of the peoples remembered it. I included some of them in my book “Man and Impact in the Americas”, […]