Frequently Asked Questions About Earth's Layers. What is the outer layer of the Earth? The outer layer of the Earth is the crust, a hard thin layer that is composed of continental and oceanic crust.

Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

Troposphere: This is the lowest layer of Earth’s atmosphere. The bottom of the troposphere is at Earth’s surface, and it extends up about 6.2 miles (or 33,000 feet).

The entire outermost part of Earth is able to wander over the rest of the planet, and now researchers say in a new study detailed in the Nov. 8 issue of the journal Nature that they can explain ...

Earth’s innermost layer is a 400-mile-wide ball of iron, new study suggests By Jackie Wattles, CNN 3 min read Updated 10:35 PM EST, Tue February 21, 2023 Link Copied! This Blue ...

Earth’s core is a strange, strange place. For decades, scientists have suspected that, like Matryoshka stacking dolls, there may be an additional hidden layer within our planet’s solid iron ...

A complex core. Earth's core comes in two parts. The liquid outer core starts about 1,800 miles (2,897 kilometers) from the surface of Earth and is made of liquid metals at temperatures of 4,000 ...

Synthetic chemicals like the chlorofluorocarbons (CFCs), used to make aerosol sprays, solvents, and refrigerants can destroy ozone, and caused Earth’s ozone layer to deplete during the 20th century.

Chinese scientists believe Earth's core has reversed rotation 00:47. Scientists have long wondered what lies at the very center of the Earth, and the latest research is putting weight behind a ...