Category Archives: Earth Magnetism

Scientists beaming after test of big atom smasher

Posted on September 11, 2008 by Rashid Faridi

A small blip on a computer screen sent champagne corks popping among physicists in Switzerland. Near Chicago, researchers at a “pajama party” who watched via satellite let out an early morning cheer. The blip was literally of cosmic proportions, representing … Continue reading →

Posted in earth, Earth Magnetism, Environment, interior of the Earth, Remote Sensing 101 | 1 Comment

Electric Currents from Space

Posted on May 8, 2008 by Rashid Faridi

When a bright aurora is seen in the auroral zone, a strong magnetic disturbance is usually also observed there. The disturbing magnetic field can be much stronger than that of a magnetic storm but it is strictly local, fading away … Continue reading →

Posted in Earth Magnetism | 1 Comment

Magnetic Storms

Posted on May 8, 2008 by Rashid Faridi

The term “magnetic storm,” meaning a world-wide magnetic disturbance, was coined by Alexander von Humboldt (1769-1859). A naturalist who gained attention by exploring the jungles of Venezuela, Humboldt devoted much of his life to the promotion of science. He produced five … Continue reading →

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Magmatic processes and igneous intrusions

Posted on April 26, 2008 by Rashid Faridi

Magma What is magma? Properties of magmas Chemical composition What is magma? Magma is hot molten mobile rock. Igneous rocks form when magma cools and solidifies. Magmas come out of active volcanoes as lavas. The most abundant magma is … Continue reading →