By: Jose Juan Gutierrez
Geologists know that the center of the Earth is composed of various concentric layers of rock with distinct physical characteristics. The way in which they have discovered this is through the study of earthquakes. The observation of seismic wave changes reveals the positions of the...
Layers of the earth
By: Mike Mwendwa
The earth has an equatorial diameter that is approximately 7,900 miles long. It is the largest of the of the four known terrestrial planets, i.e. planets that are composed of rock material and the only planet which can support life. The other terrestrial...
By: Elizabeth M Young
The Pacific Ocean host a vast arrangement of volcanic structures that are called the "Ring of Fire". This massive arc of volcanoes begins in New Zealand, curves west to hug Oceania and the Asian continent, then swings northeastward to the North American continent. The ring...
By: Jon Barr
Submarine mountains form in a couple of main ways. They happen to be the same principles that guide the formation of continent based mountains as well. tectonic plate movement and a combination of the two are the reasons mountains form under the seas. Tectonic drift...
By: James Vigh
There is growing concern among scientists and Volcanologists (not to mention civilian populations) about the heavy population density that surrounds a great many active and dormant volcanoes throughout the world. These same scientists and Volcanologists are laboring mightily in their attempts on accurately predicting volcanic...
What people mean by the 'great increase in CO2' over the last century
By: Bilal I
Al Gore, Global Warming, and Ice Caps melting are some of the images people summon up in their minds when they hear about the recent increase in carbon dioxide levels. However, it is important to really understand what an increase in the carbon dioxide level...
The science and philosophy of global warming
By: Christyl Rivers
By now most people have heard of the philosophy of human life that asserts human life, with its massive infestation and "flesh eating" of the earth is a parasite, or a disease, which Gaia, (earth) is getting a fever from. Sadly, this a fair comparison...
How the earth's core was formed
By: Effie Moore Salem
It's almost impossible to know the precise ways in which the core of the earth was formed but technology give us many clues. Many unanswered questions remain about what is at the center of the earth and what holds it together. While the question is...
By: A. Martin
Over the years, people have developed many different misconceptions about tornadoes and safety precautions because of stories and beliefs. These misconceptions can put a person’s life at risk when a tornado strikes. Despite what some people have said, a highway overpass is not a...
How and why the earth is tilted
By: Jose Juan Gutierrez
It is believed that the Earth´s tilt originated 4.5 billion years ago. The Earth´s axis is tilted 23.5° with respect to the plane of the ecliptic. The Earth´s tilt and its orbit around the Sun is what produces the different...

 

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