Main content
A massive model of the Earth’s core
The Earth’s outer core is a sea of molten metal. As it moves it generates our planet’s magnetic field. But exactly how it does it has remained a mystery. To investigate Professor Dan Lathrop built a three metre model, which he’ll fill with highly volatile liquid sodium.
Duration:
This clip is from
Featured in...
![]()
Earth
Find out how the Earth works.
More clips from The Core
-
![]()
Dreaming of a journey to the earth’s core
Duration: 01:52
-
![]()
What's it like at the centre of the earth?
Duration: 01:05
More clips from Horizon
-
![]()
The results are in...—2021, Horizon Special: The Vaccine
Duration: 02:02
-
![]()
Pluto’s first pictures—2020, Pluto: Back from the Dead
Duration: 02:30
