February 22, 2014 Earth Science
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….
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February 22, 2014 Earth Science
Petrified wood is a form of fossilized plant, often trees, which is created both naturally and in labs. Samples are typically millions of years old, and formed due to nearby volcanoes which supplied the ash and silica needed for petrification….
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February 22, 2014 Earth Science
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…
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February 21, 2014 Earth Science
The layers of the Earth are formed by a process known as planetary differentiation, which consists of the separation of its distinct components based on its chemical characteristics. In this process, the denser material descends to the center, while the lighter…
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February 21, 2014 Earth Science
Robotic submersibles, the great winch for lifting and lowing survey systems into the ocean, and sonar and dive equipment are essential features of oceanography vessels. These vessels carry laboratories and have satellite communications. Submersibles Oceanographers study all things related to…
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February 21, 2014 Earth Science
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…
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February 21, 2014 Earth Science
Geophysical studies have revealed that the interior of the Earth is comprised of multiple layers, just like the exterior. These layers, more commonly known as structures, of the earth can be defined in two ways, chemically and mechanically. Chemically, the…
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February 21, 2014 Earth Science
In order to understand geophysics, you must first know that physics is the science of matter and its interactions. Therefore, since the prefix geo pertains to the earth, then geophysics is a branch of geology; geology the study of the…
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February 21, 2014 Earth Science
Geology is all around us. Depending on where we live, we have examples of mountains eroded away by wind and rain, the coastline under constant attack of waves, mountain streams that carry sediment from the tops of mountains to the…
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February 21, 2014 Earth Science
Geothermics is the study of heat inside the earth. Primarily, it is the science of the deep heat that is associated with hot springs, geysers, and superheated mud and fumaroles. Fumaroles are earth’s vents, often called smoke holes. The usefulness…
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