资讯

New research has uncovered that the construction of water dams has shifted Earth's poles in subtle but important ways.
New calculations by researchers at Washington University in St. Louis suggest that the planet's outer crust may be constantly churning, an unexpected phenomenon called convection that could help ...
The outer core is 1,200 km deep is the layer surrounding the inner core. ... Continental and oceanic plates all fit together to form the outer crust of the planet.
The planet's crust likely maxes out at about 40 miles (65 kilometers) thick — and, in many places, it may be much thinner, the study suggests. "That is surprisingly thin, given conditions on the ...
New calculations by researchers at Washington University in St. Louis suggest that the planet’s outer crust may be constantly churning, an unexpected phenomenon called convection that could help ...
As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.
BARTOW COUNTY, Ga. — A meteorite fell to Earth in Georgia last Thursday, and Channel 2’s Linda Stouffer visited scientists in ...
Vadawale says these results bolster the lunar magma ocean hypothesis, which posits that the Moon’s mantle formed as heavier materials sank inward while lighter rocks floated to the surface ...