Quakes and blasts help scientists understand Earth's elusive inner core
Jai Ho
Educational videos and stories
By ScienceFrom YoutubeJanuary 6, 2026
About the size of Pluto, Earth’s inner core is made of solid iron and helps power the magnetic field that protects life from harmful space radiation.
#Earth
#Core
#Quakes
#Blasts
#Seismic
#Waves
#Scientists
#Structure
#Composition
#Temperature
#Pressure
#Earth's
#Center
#Solid
#Liquid
#Iron
#Nickel
#Boundary
#Crust
#Mantle
#Discovery
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