Our Earth May Have A Mysterious Fifth Layer

Maitreyi Mantha
Fri, 07 May 2021 08:15:12 -0700

Geologists have long maintained that our Earth comprises four layers — the crust, the mantle, the outer core, and, the deepest layer, the inner core. However, a team of scientists led by Jo Stephenson, a doctoral student in seismology at Australian National University in Canberra, now asserts that our planet may be harboring a mysterious, fifth layer — an "inner-inner" core as well.