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.

The Layers of Earth's Atmosphere It's easy to imagine Earth's atmosphere as a bubble of air surrounding the planet that abruptly ends with the vacuum of space . The reality is a lot more complex ...

Troposphere: This layer extends from the Earth's surface up to 5-9 miles. This is where we live and where most weather occurs. Roughly 75% of the atmosphere's mass and most of its water vapor are ...

The Earth has a fascinating atmosphere that contains several unique layers. The Troposphere is the layer that we live in, it starts at the surface but the height often varies to about 9-12 miles up.

Earth’s atmosphere comprises multiple layers, each with its own role. Above the troposphere, Earth ’s innermost layer (which contains Earth’s oxygen and houses what we call weather), is the ...

Researchers have created a dataset of the whole atmosphere, enabling new research to be conducted on previously difficult-to-study regions. Using a new data-assimilation system called JAGUAR-DAS ...

First, as I mentioned, is the troposphere. This is the lowest layer of the atmosphere, where all weather occurs. It begins at the ground, and extends upward to about 6.2 miles above earth’s surface.

Source: Jonathan McDowell General Catalog of Space Objects *Data as of April 15, 2025. Satellites in low-Earth orbit eventually have to come down, and companies rely on the upper atmosphere to act ...

The Earth's atmosphere is far more reactive to solar activity than scientists previously believed, with the new research showing it can pulse in near-synchronicity with the sun's powerful flares.