Article: R.W. Whitfield describes how the Earth's magnetic and polar axis shifted 50,000 years ago and how another similar shift should occur 200 years from

Article: Polar Axis and Tilt
World of Earth Science;      700+ words ...Polar axis and tilt The polar axis is an imaginary line that extends through the north and south ... the Sun across in imaginary celestial sphere). The tilt of the polar axis is principally responsible for variations in solar illumination ...

Dictionary definition: polar axis
A Dictionary of Astronomy;      236 words ...polar axis One of the axes of an equatorial mounting . The polar axis is aligned parallel to the Earth's axis, and thus points towards the celestial pole.

Article: Italian scientists say Asian quakes cause Earth's axis ...
Xinhua News Agency;  December 28, 2004 ;     328 words ...Italian scientists say Asian quakes cause Earth's axis shifted ROME, Dec. 28 (Xinhua) -- Italian space researchers said on Tuesday that the earthquake in Asia two days ago was so powerful ...

Article: Coordinate System, Polar
Mathematics;      700+ words ... ... problems and coined the terms "pole" and "polar axis" that are still used today in polar ... coordinate system a single axis, or a polar axis, extends indefinitely from the origin ... coordinate system as the pole. This polar axis is a fixed line and the location of all ...

Article: Comparison of flattened blastozoan echinoderms: Insights from the ...
Journal of Paleontology;  September 1, 2001 ;     700+ words ... ... ventral plane perpendicular to the polar axis of the theca. This plane of thecal flattening ... the theca compressed parallel to the polar axis of the theca and is commonly associated ... the theca compressed parallel to the polar axis of the theca and is commonly associated ...

Article: [1] Good morning!(Neighbor)
Daily Herald (Arlington Heights, IL);  February 17, 2001 ;     700+ words ... ... Arlington Heights. Fixing Earth's polar axis St. Louis Scientist Invents a Device ... compass can do - exactly determine the polar axis of the earth. When the gyroscope is ... influenced and does not determine the polar axis of the earth, but the magnetic pole ...

Article: Eudoxus of Cnidus
Encyclopedia of World Biography;      700+ words ... ... center, rotates uniformly about its polar axis. The poles are implanted in a second ... sphere also rotates uniformly about its polar axis, which is at a fixed angle to the axis ... concentric sphere, which rotates about the polar axis of the earth. Altogether 27 spheres ...