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Another Expert Agrees With Dark Comet Theory

February 21, 2013 – 11:31 am | No Comment

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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Home » Space Nasties

Galaxy fires powerful particle beam

Submitted by Robert Bast on December 26, 2007 – 12:42 amNo Comment

This animation begins with a close-up of the supermassive black hole in the centre of the galaxy 3C321. Hot gas falls towards the black hole; some is swallowed but much is ejected in a particle beam. As the camera pans out, the companion galaxy becomes visible as it swings into the path of the jet, which is deflected in the process (Courtesy of NASA/STScI/G Bacon)

You wouldn’t want to be in the path of this space nasty:

A jet of hot gas and high-energy particles is shooting out from the core of a galaxy called 3C321 and hitting a neighbou

…Any Earth-like planets that may lie in the path of this beam might be sterilised. If such a jet were aimed at Earth, it would blast the upper atmosphere with gamma radiation. That would destroy the ozone layer in months to years, says Evans, leaving earthlings exposed to carcinogenic ultraviolet rays from the Sun.

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