The study of the world
.Scientists have been trying to find methods To study the structure the world both directly and indirectly by trying to use the evidence to be discovered, as well as a theory, principles of various fields. Modern technologyWhen 300 years ago, Sir Isaac Newton, discover how to calculate the average density of the earth is approximately a 2 times the density of rocks on the earth's surface. Then, within the world must contains a substance has a higher density than on the earth's surface
.Next, another 100 years. Scientists try to research and explore a wide range of disciplines to learn about the structure โลกจา things that erupted from the volcano.Next, another 100 years. Scientists try to research and explore a wide range of disciplines to learn about the structure โลกจา things that erupted from the volcano.Next, another 100 years. Scientists try to research and explore a wide range of disciplines to learn about the structure โลกจา things that erupted from the volcano.After a period up to the present. A temperature measurement in mine deep hole drilling and, as shown in the picture 1.1 which found that higher temperature inside the world with depth from the surface world because no technology ใดในปัจจุบัน to into the sample. Measurement of environment and earth in the depths very much.Such as the study of drilling exploration. The rocks (rock groups in polysaccharides of oceanic crust, but present on the earth) of the volcanic rocks. Studies on chemical composition of the industrial league that fall on earth. The crowEtc.
.It is also used to study the earth structure indirectly involved. Which is to study the properties within the world based on scientific principles, such as the study of seismic caused by the earthquake.
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