Core–mantle boundary

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

The core–mantle boundary (CMB) of Earth lies between the planet's silicate mantle and its liquid iron–nickel outer core, at a depth of 2,891 km (1,796 mi) below Earth's surface.

Excerpt from the Wikipedia article “Core–mantle boundary”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Dake, CC BY-SA 2.5, via Wikimedia Commons.