* Australian National University's researchers are trying to reveal the fifth layer of the Earth.
* Seismic waves generated by earthquakes have revealed new insights about the deepest parts of Earth’s inner core.
* The team believes that presented evidence of a distinct layer inside Earth known as the innermost inner core.
* This layer is a solid ‘metallic ball’ that sits within the center of the inner core.
* So far, scientists believed that there are only four layers on the Earth.
Source : Times now News
