earth's surface

The Earth's surface during the first life development period can be as hot as 75 degrees Celsius before falling to 35 degrees.

A research team found that molten lava flows through 9000 and Russia, 420 km wide and nearly as high as the Sun.

Scientists for the first time found water molecules at the time of new Earth formation about 4.6 billion years ago under a depth of 2,900km in the ground.