Kerr Watch

Elapsed time since Richard Kerr failed to inform his Science readers of the confirmation of nanodiamonds at the YDB: 5 years, 11 months, and 17 days

Tick, Tick, Tick, Tick, Tick, Tick, Tick: 60 Minutes’ Cooper nails NASA’s Yeomans and Chodas on common asteroid threat

We all know the Tusk enjoys the study of past catastrophes but is less interested in blogging on space borne threats to our future. The intellectual real estate of future apocalypse — Repent! — is too well populated on the internet for us.

But great TV is great […]

First Harvard, now Dartmouth: More independent evidence for Younger Dryas impact

Vox Clamantis

September 9th, 2013 | Tags: , , , , , , , , , | Category: Great papers, impact markers, PNAS, Younger Dryas Boundary: ET or Not? | 108 comments

Two Ivies in two months confirm YD impact: Pinter of Southern Illinois – Carbondale to NBC: “Fringe science,” questions integrity of National Academy of Sciences

A meteor or comet impact near Quebec heaved a rain of hot melted rock along North America’s Atlantic Coast about 12,900 years ago, a new study claims.

Scientists have traced the geochemical signature of the BB-sized spherules that rained down back to their source, the 1.5-billion-year-old Quebecia terrane in northeastern Canada near the Gulf […]

Linked?: Andrew Cooper on Feb 15 Asteroid and Russian Meteor

 

Cooper?

Debunked:

Not to be taken seriously. The first thing I noticed was a schoolboy blunder in celestial mechanics: you don’t add velocities in the way that he did, you add energies, that’s to say the squares of the velocities. If an asteroid with an asymptotic approach speed of 5.6 km/s is going […]