00:00
00:00
ساختار زمین | 3D 2019
200 بازدید
❤Brooz❤Video❤ 7 هزار دنبال کننده MUSIC: 1-Digging in the dark - Documentary Music (By CO.AG music) 2-Eureka The internal structure of the Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core. Scientific understanding of the internal structure of the Earth is based on observations of topography and