Two buried ‘supercontinents’ hiding inside Earth could be much older than previously ...
Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...
Live Science6 天
How is the ocean melting Antarctica? We're starting to figure it out
Much of this uncertainty is because the ocean processes that control the fate of the sheet occur on an incredibly small scale ...
National Geographic news3 年
Earth's Interior
The mantle is about 1,800 miles (2,900 kilometers) thick and appears to be divided into two layers: the upper mantle and the lower mantle. The boundary between the two lies about 465 miles (750 ...
来自MSN1 个月
Earth's mysterious D" layer: A relic of ancient oceans and planetary collisions
Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its ...
ExtremeTech8 天
Martian Ocean May Have Eroded Planet's Hemisphere Boundary Billions of Years Ago
A prime example is Mars' dichotomy, or the boundary between its southern and northern hemispheres. While Mars' southern hemisphere is fairly high-elevation, the planet's northern hemisphere sits ...
Greek Reporter14 天
Are Miles of Solid Diamonds Hiding Below Mercury’s Surface?
A layer of diamonds was found beneath Mercury's surface. This could help scientists understand the planet's unusual magnetic ...