According to current models, in addition to large amounts of iron, the Earth's liquid outer core contains small amounts of so-called light elements, possibly sulfur, oxygen, silicon, carbon, or hydrogen.Nov 23, 2011. The center of the Earth is made up of two layers, the outer core and the inner core. The outer core is responsible for Earth’s magnetic field. [1][2], Without the outer core, life on Earth would be very different. However, the liquid metal form of the outer core is also caused by its extremely hot temperature, which is about four times hotter than lava. Its outer boundary is 2,890 km (1,800 mi) beneath the Earth's surface. The inner core is believed to be made up of an iron-nickel (metal) alloy. In 2015, Prof Xiaodong Song from the University of Illinois and other researchers in China suggested the inner core has two layers. The outer core is 30.8% of Earth's mass. It causes tides and can also cause other climatic changes on Earth. Facts about Earth’s Core 1: the temperature The temperature of the earth’s core is around 4000 degrees Celsius to 6,100 degrees C. The former temperature is spotted at the outer part. The outer core is in the range of 200 to 300 kilometers (125 to 188 miles) thick, The outer core has a depth of 2890-5150 kilomters (1806-3219 miles), The inner core is solid and unattached to the mantle, The inner core is 1.7% of the Earth's mass, The inner core is suspended by the molten outer core, The inner core has a depth of 5150-6370 kilometers (3219-3981 miles), The existence of an inner core distinct from the liquid outer core was discovered in 1936 by seismologist Inge Lehmann, Growth of the inner core is thought to play an important role in the generation of Earth's magnetic field. Outer core (3,000-5,000 km) Inner core (5,000-6,500 km) Here we shall have a look at some informative facts about the asthenosphere. Its outer boundary lies approximately 2,890 km (1,800 mi) beneath the Earth's surface. It may occur in the form of viscous fluid in a certain geological period. Join Yahoo Answers and get 100 points today. If outer space is bounded, what is outside outer space? The transition between the inner core and outer core is approximately 5,000 km (3,100 mi) beneath the Earth's surface. Cloudflare Ray ID: 5f7acfdf7bc72c56 The outer core is the middle layer of the Earth’s three layers, and is located about 1,800 miles below the Earth’s crust, the top-most surface of the Earth. The average thickness of earth’s mantle is measured at 1,793 miles or 2,886 km. The earth's layers are made up of an inner core, an outer core, the lower mantle, the upper mantle, and the outer solid crust. Fox paid 7-figure settlement over bogus conspiracy story, Chrissy Teigen gives first interview since pregnancy loss, David Maas, NBA halftime showman, dies of COVID-19, ER nurse: Some patients still think COVID-19 is a hoax, Education Dept. It is a magma like liquid layer that surrounds the Inner Core and creates Earth's magnetic field. The outer core is in the range of 200 to 300 kilometers (125 to 188 miles) thick. The outer core of the Earth is a liquid layer about 2,260 kilometers thick. Images, similar to sonograms, are produced. In this section you will learn about how Earth's magnetic field is created, how hot it is, how thick the Outer Core is and a few interesting facts about the Outer Core. Temperature The Outer Core is about 4000-5000 degrees Celsius. Bruce A. Buffett 2010. The inner core is the hottest region and the innermost region of the Earth. What Are Some Interesting Facts About the Outer Core. The temperature of the outer core ranges from 4400 °C in the outer regions to 6100 °C near the inner core. As Earth spins on its axis, the iron inside the liquid outer core moves around. Still have questions? • A sonogram in the crust is called a seismic reflection. The inner core is 1.7% of the Earth's mass . What are the elements of the Earth's outer core. What are some differences between the poeple in australia and canada ? First of all i think it is cool you are helping your lil bro out. Tidal dissipation and the strength of the Earth’s internal magnetic field. Get your answers by asking now. This might have removed the Earth's atmosphere, making the planet nearly lifeless. Still have questions? Unlike the inner core, the outer core is not under enough pressure to condense it into solid metal. What are the earth s layers earth layer fun facts what would hen if the earth s core what are the layers of earth facts about earth s inner core dk, Structure of the earth national geographic kids 5 facts about the earth s inner core the structure of earth marcellus munity science 5 facts about the earth s inner core, Facts About Earths S Outer Core Dk Find Out, Outer Core Of The Earth Definition Position Facts, Facts About Earth S Inner Core Dk Find Out, 20 Things You Didn T Know About Inner Earth Discover, 6 Fascinating Facts About The Earth S Mantle, Earths Layers Of The Earth Facts For Kids, Inside Earth The Crust Mantle And Core How, What Are 5 Facts About The Earth S Crust Quora, Earth S Rotating Inner Core Shifts Its Sd Live Science, Inner Core Of The Earth Definition Position Facts, Earth S Core Has Been Leaking For Billions Of Years, What Was The Earth S Early Atmosphere Made Of, Crisis On Infinite Earths Episodes Uk Release Date, Crisis On Infinite Earths Episodes Uk Air Date, How To Search In Google Earth Using Coordinates. Why is the outer core liquid while the inner core is solid? The outer core is where the circulating conducting liquid generates the geodynamo, responsible for our magnetic field.Oct 1, 2008. Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. The outer core, one of the three layers of the Earth, is approximately 1,430 miles (2,300 kilometers) thick and between 7,200 and 9,000 F. According to National Geographic, the outer core is mostly composed of iron and nickel in a liquid alloy form. Since it is a liquid, the outer core can spin, and it does. CRUST. Most materials, including iron and nickel, change from liquid to solid at lower temperatures and/or higher pressures. Fact Check: What Power Does the President Really Have Over State Governors? It has a solid inner core and a liquid outer core. I don't know about six, but one really good fact is: hot metal moving fast creates an electomagnetic field (which is how our Earth's protective shield exists). [6] The seismic wave data suggests that crystals in the "inner inner core" are in an east-to-west direction. The inner core of the Earth, as detected by seismology, is a solid sphere about 1,216 km (760 mi) in radius, or about 70% that of the Moon. It may have happened to Mars.[5]. reliable date possible? Answer 1: Earth´s inner core and outer core are both made of an iron-nickel alloy. The Outer Core is the second to last layer of the Earth. Without this field, the solar wind would directly strike the Earth's atmosphere. First measurement of magnetic field inside Earth's core. Why do coal miners keep hoping the mines will reopen? You can sign in to vote the answer. Facts about Outer Core The outer core of the Earth is a liquid layer about 2,260 km thick composed of iron and nickel which lies above the Earth's solid inner core and below its mantle. 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