Should the subterranean societies comply with the request, he mused, i think we are going to find out that underground bases are much more extensive than we thought and much more ancient. Some points to remember in studying the earths interior. Explore the following websites and answer the corresponding questions below to help you figure out what is so special about the structure of our earth. Both the inner and outer core are made up of mostly iron and a little bit of nickel. The internal structure of earth is layered in spherical shells. Click download or read online button to get the shaver mystery and the inner earth book now. The hollow earth is a concept proposing that the planet earth is entirely hollow or contains a substantial interior space. The inner planets of our solar system universe today. We infer from this and other data that there is a heavy central part in the earth. The inner core is in the centre and is the hottest part of the earth. It is not only the study of the earth as we see it today, but the history of the earth as it has evolved to its present condition. The layers of earth the three layers of the earth, inner. The hydrosphere contains all the solid, liquid, and gaseous water of the planet.
The deepest layer is a solid iron ball, about 1,500 miles 2,400 kilometers in diameter. Mechanically, the earths layers can be divided into lithosphere, asthenosphere, mesospheric mantle part of the earths mantle below the lithosphere and the asthenosphere, outer core, and inner core chemically, earth can be divided into the crust, upper mantle, lower mantle, outer core, and inner core the crust. According to radiometric dating and other evidence, earth formed over 4. Inner earth beings take first step to openly reveal. The outer part of the core is liquid but the inner core is made of solid metal. The crust forms a very thin surface skin, the mantle is a thick shell that extends half the radius down into the earth, and the core occupies the central part. Notably suggested by edmond halley in the late 17th century, the notion was tentatively disproven by pierre bouguer in 1740, and definitively by charles hutton in his schiehallion experiment around 1774 it was still occasionally defended through the mid19th century. New research from a team of geologists reveals that the earths inner core has an inner core of its own, with crystals aligned in a different direction. The metal at the inner core stays solid because of the incredible pressure surrounding it. Mantle mostly solid rock but parts are hotter and more fluid. The passage from one layer to another is characterized by discontinuities. Innerearth civilizations may soon reveal themselves. Much more is known about the crust than the mantle and core. There is the inner core and the outer core and together they form the innermost layer of the earth.
Earths crust is 800 miles thick from the earths surface to the inner hollow surface within the the interior. Which layers of the earth are made mostly of metals. The hollow earth is filled with giants, germans, and a. Multiple choice questions for interior of the earth.
The lithospherecontains all of the cold, hard solid land. It is primarily a solid ball with a radius of about 1,220 kilometres 760 miles, which is about 20% of the earths radius or 70% of the moons radius there are no samples of the earths core available for direct measurement, as there are for the earths mantle. Earths gravity interacts with other objects in space, especially the sun and the moon, which is earths only natural satellite. With its immense heat energy, the inner core is like the engine room of the earth. The asthenosphere in between 80200km is a highly viscous, mechanically weak and ductile, deforming region of the upper mantle which lies just below the lithosphere. The crust, mantle and core are defined by composition. The crust makes up less than 1 percent of earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. Inner core red outer core redorange lower mantle orange middle mantle light orange 2. If we think of the earth as a baseball, the crust is like a postage stamp stuck on a baseball. The outer core of the earth is similar to a very hot ball of metals, whose temperature is around 4000 o f to 9000 o f. There is an outer core that is liquid and an inner core that is solid. Scientific understanding of the internal structure of earth is based on observations of topography and bathymetry, observations of rock in outcrop, samples brought to the.
Each of these layers can be further divided into two parts. The inner earth people came out of it quite shellshocked, wilcock said, they have been asked to reveal themselves to us as part of disclosure. The hydrosphere extends from earths surface downward several kilometers into the lithosphere and upward about 12 kilometers into the atmosphere. The second is the mantle and it is the thickest layer of earths crust, its divided into two parts but the mantle is made up into one. The composition of earth the earth is divided into several layers with different composition and physical properties. Jul 23, 2015 lemuria, shambhala, telos, atlantis, agartha, agarthi.
The final layer is the inner core, it is the hottest and deepest part of the earth. The earth can be divided into three layers, the core, the mantle and the crust. The third layer is the outer core and the outer core is made up by composed iron and liquid. The composition and structure of earth physical geography. Earths layers are made of different mixtures of elements. An earthquake in simple words is shaking of the earth.
Champaign, illinois seismic waves are helping scientists to plumb the worlds deepest mystery. Equatorial anisotropy in the inner part of earths inner. Earthquake the study of seismic waves provides a complete picture of the layered interior. Core the diameter of mars is almost the same as the diameter of the earth s. The asthenosphere is the main source of magma and it is the layer over which the. The shaver mystery and the inner earth download ebook.
The earths solid inner core exhibits strong anisotropy 1,2,3,4,5, with wave velocity dependent on the direction of propagation due to the preferential. The inner most layer among all of these is the core. The parts of the earth there is a thin, rocky crust, a solid middle called the mantle and a centre called the core. Core, mantle, and crust are divisions based on composition. Fill out the small squares with the information for each of the main layers of the earth, using your textbook. The inner earth beings were confused and anxious over what they had been told, according to goode. Geologists reveal earths inner core has an inner core of. He speculated that the inner earth representatives had been informed that their long time policy of deceiving surface humanity about their existence, and maintaining a strict policy of separation had not been appropriate to their role as planetary custodians. Information about the earths core mostly comes from analysis of.
See more ideas about hollow earth, earth and atlantis. The earth has a radius of about 6370 km, but the deepest scientific borehole ever drilled is only 12 km. The activity is on page 5253 of the revised august, 2000 edition of tremor. Introduction and origin of the earth tulane university. Made mainly of iron, the temperature of the ball is 5,000c to 6,000c thats up to 6,000 times hotter than our atmosphere and scorching enough to make metal melt. The earths inner core is a huge metal ball, 2,500km wide. Due to its immense heat energy, the inner core is more like the engine room of the earth. The thickest part of the crust is under mountain ranges.
The structure of the earth the earth is made up of four distinct layers. The crust is the outermost layer of the earth making up 0. The uppermost solid part of the mantle and the entire crust constitute the lithosphere. The major structural components in the earth that are separated by sharp discontinuities are the crust, the mantle, and the core. It is solid and made up of iron and nickel with temperatures of up to 5500c. My conception of the hollow earth, based on my research is that the shell of the earth is about 800 miles thick, from the outside to the inner surface, says rodney cluff, author of world top. The earths layers foldable marcias science teaching ideas. The earth has evolved changed throughout its history, and will continue to evolve. Part 1 is required by everyone then you may choose between part 2 or part 3 to complete for the remainder of the assignment. Physical structure of the earth 5 layers lithosphere rigid outer layer crust and part of the mantle asthenosphere solid rock that flows slowly, found below lithosphere like frosting part of the mantle mesosphere middle layer, part of the mantle.
The mantle is hot and represents about 68 percent of earths mass. The inner earth therefore consists of all the area that is below the earths surface throughout the globe, and includes the caverns within earths crust along with a vast tunnel system. Seismic activity is one of the most important sources of information about the interior of the earth. Our direct knowledge of the earths interior is minuscule. The inner structure of the earth is described by the authors on the basis of systematic processing and evaluation of the traditional and newer theories and conceptions. Temperature, density, and viscosity ability to flow. It is the outermost solid part of the earth, normally about 840 kms thick. Earth is the third planet from the sun and the only astronomical object known to harbor life. Earths inner core is the innermost geologic layer of the earth. The earths interior is composed of four layers, three solid and one liquidnot magma but molten metal, nearly as hot as the surface of the sun. The inner core is solid and made up of iron and nickel with temperature up to 5,500 o c. The earth is a spherical body that is made up of several internal layers, with a different thickness crust, mantle, external nucleus, and internal nucleus.