Astronomer David Asher (from Armagh University) has agreed with Bill Napier and Janaki Wickramasinghe (Cardiff University) that “dark comets” are real and dangerous.
The following quotes are from a paper by Napier and Asher published in Astronomy & Geophysics.
http://star.arm.ac.uk/preprints/2009/539.pdf
We know that about one bright comet (of absolute magnitude as bright as 7, comparable to Halley’s Comet) arrives in the visibility zone (perihelion q<5AU, say) each year from the Oort cloud. It seems to be securely established that ~1–2% of these are captured into Halleytype (HT) orbits. The dynamical lifetime of a body in such an orbit can be estimated, from which the expected number of HT comets is perhaps ~3000. The actual number of active HT comets is ~25. This discrepancy of at least two powers of 10 in the expected impact rate from comets as deduced from this theoretical argument on the one hand, and observations on the other, is …
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Preparing for when the SHTF
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More likely during eclipses and perhaps Comet Elenin is a factor?
This is a bit like steam punk – where something is old and futuristic at the same time.
Raul Cruz from Mexico City has envisioned a distant future where Aztec / Mayan stylings are applied to technologies more akin to Japanese Anime. More images are at the excellent io9 and they link to his web site if you like what you see.
/anime neon genesis evangelion by gainax (especially end of evangelion) are the closest shit u can find resembling “end of the world as we know it” (i call it truth but whatevar l0l)
/offtopic: silver > gold, water > silver