The fourth layer of Earth's atmosphere is the thermosphere. It begins just above the mesosphere and extends to approximately 372 miles (600 km) high, according to NASA.

A h, Earth.We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique. 5 fast facts about Earth. Earth isn't perfectly round; ...

Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of another layer, called the mantle.

Here are some fun facts about Earth as we celebrate this planet we live on for Earth Day.The Earth’s diameter at the equator is 7,926 miles.

How far away it is: 93 million miles (150 million km) ...

The Earth is made up of a total of 7 layers which are- crust, lithosphere (crust and uppermost mantle), asthenosphere (upper mantle directly below the lithosphere), lower mantle, ...

If current policies remain in place, the ozone layer is expected to recover to 1980 levels by around 2066 over the Antarctic, by 2045 over the Arctic and by 2040 for the rest of the world.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict. ... Earth's crust is the planet's outermost layer.