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Originally posted by EMPIRE
I'll watch this tommorow, but I must say the end is not going to happen in 2012. It's nothing more than wishful thinking by a large percentage of people who are mentally impotent and full of fantasy.
Displacement of the Sun from the Galactic Plane Authors: Yogesh C. Joshi (Queen’s University Belfast 2007) We have carried out a comparative statistical study for the displacement of the Sun from the Galactic plane (Z⊙) following three different methods… We found Z⊙ varies in a range of ~ 13 – 20 pc from the analysis is of YOCs…
The Sun’s Displacement from the Galactic Plane from Spectroscopic Parallaxes of 2500 OB Stars Reed, B. Cameron Journal of the Royal Astronomical Society of Canada, Vol. 100, Issue #4, p.146 2006 The Sun’s vertical displacement from the galactic plane, Z_ȯ, is determined model-independently from 3526 spectroscopic parallax distance estimates for 2488 OB stars within 1200 pc of the Sun. The result, 19.6+/-2.1 pc, agrees well with various other recent determinations. The distribution of stellar z-values as a function of galactic longitude shows a very scattered sinusoidal dependence with an amplitude of about 27 pc.
John N. Bahcall* & Safi Bahcall† *Institute for Advanced Study, and †Princeton High School, Princeton, New Jersey 08540, USA The period and amplitude of the Sun’s motion perpendicular to the galactic plane are important parameters in some explanations of the terrestrial mass extinctions and cratering records1−5. Here we have calculated the range of periods and vertical excursions that are consistent with the distributions of tracer stars in the Galaxy and have also evaluated the probable phase jitter in the solar period. We find acceptable half-periods for the vertical oscillation that range from 26 to 37 Myr (including the range of periods that have been inferred from the terrestrial records on mass extinctions and on cratering), maximum heights above the plane from 49 to 93 pc, and an average phase jitter per half-period of the order of 6−9%. The largest uncertainty in all these calculations is caused by the unknown distribution of the unseen mass that must be postulated to explain the distribution of observed stars6−7. For all the models we consider, the most recent passage of the Sun through the galactic plane occurred in the past 3 Myr provided only that the present position of the Sun is between 0 and 20 pc above the plane. We extend the argument of Thaddeus and Chanan8 to show that the apparent periodicity in the mass extinction and cratering records cannot be caused by an population of objects (observed or unobserved) that contributes a major fraction of the total mass density at the solar vicinity.
Originally posted by Alethea
The pole tip is also metaphorical. A shift in powers is the plan, but it's not a physical displacement of geographic locations. The stage is set.
[edit on 19-11-2009 by Alethea]
Earth's Inconstant Magnetic Field12.29.03 Our planet's magnetic field is in a constant state of change, say researchers who are beginning to understand how it behaves and why.
At the moment it's located in northern Canada, about 600 km from the nearest town: Resolute Bay, population 300, where a popular T-shirt reads "Resolute Bay isn't the end of the world, but you can see it from here." Newitt stops there for snacks and supplies--and refuge when the weather gets bad. "Which is often," he says.
Right: The movement of Earth's north magnetic pole across the Canadian arctic, 1831--2001. Credit: Geological Survey of Canada.
What they see mimics the real Earth: The magnetic field waxes and wanes, poles drift and, occasionally, flip. Change is normal, they've learned. And no wonder. The source of the field, the outer core, is itself seething, swirling, turbulent. "It's chaotic down there," notes Glatzmaier. The changes we detect on our planet's surface are a sign of that inner chaos.