Situated between the mantle and the inner core, the Earth's outer core is a liquid layer of the Earth's core. It is mostly made up of iron and nickel, with little amounts of silicon and oxygen ...
The atmosphere of Earth is a layer of gasses retained by gravity that surrounds our planet. Most of the total mass of the atmosphere is in the lower 6 miles. By volume, the Earth’s atmosphere is about ...
New evidence, based on how the moon responds to the gravitational pull of Earth and the sun, has lent support to the hypothesis that the moon does in fact possess such a molten layer hidden deep ...
"If life exists in Titan's ocean under the thick ice shell, any signs of life would need to be transported up Titan’s ice shell. This is more likely to occur if Titan's ice shell is warm and ...