The inner core of the Earth is _. A. Cooler than the outer core B. At the same temperature as the outer core C. Warmer than the outer core D. Has no temperature difference with the mantle 相关知识点: 试题来源: 解析 C。解析:地球的内核比外核温度更高。随着深度增加,地球内部温度升高,...
Composition and temperature of the Earth's inner core. J Geophys. Res. 102: 24729-24739.L. Stixrude, E. Wasserman, R.E. Cohen, Composition and temperature of the Earth's inner core, J. Geophys. Res. 102 (1997) 24729^24739.
If you want to learn more about what's going on way down inside the Earth, read the lesson titled Earth's Inner Core Lesson for Kids: Definition & Facts. You will find out: What each layer of the Earth is called The temperature of the Earth's inner core ...
Total heat flow from the core to the mantle is obtained to be 7.5×10 12 W, while it was 8.0×10 12 W when the inner core began to solidify 1.9×10 9 years ago. 展开 关键词: Earth core Initial temperature Surface heat flow Cooling Earth ...
Inner Core: The Inner Core is the layer beneath the mantle and forms the earth's center with a radius of about 122000M. A high temperature of 5700 K is almost close to the sun's temperature. The inner core's composition is Iron and nickel alloy and other elements. ...
BEIJING, Feb. 10 (Xinhua) -- Chinese scientists revealed that the inner core of the Earth is not a normal solid state but a superionic state, said the Chinese Academy of Sciences Thursday. The superionic state, an intermediate state between solid and liquid, is composed of solid iron and ...
Progressive crystallization of Earth’s inner core drives convection in the outer core and magnetic field generation. Determining the rate and pattern of inner-core growth is thus crucial to understanding the evolution of the geodynamo. The growth histor
As a consequence of the increase in c/a we have found that the single crystal longitudinal anisotropy of hcp iron at high temperature has opposite sense from that a low temperature, calling into question previous attempts to explain inner core anisotropy. Combining our results for the single ...
Despite considerable progress in seismology, mineral physics, geodynamics, paleomagnetism, and mathematical geophysics, Earth’s inner core structure and evolution remain enigmatic. One of the most significant issues is its thermal history and the curren
A. It is solid B. It is mainly made of iron and nickel in a solid state C. It is liquid and mainly composed of iron and nickel D. It has a very low temperature 相关知识点: 试题来源: 解析 C。解析:外核是液态的,主要由铁和镍组成。选项A错误,外核是液态不是固态。选项B错误,外核是...