According to NASA the upper layer of Earth's atmosphere — the exosphere — extends up to 6,200 miles (10,000 km), above which the atmosphere and space blend.

Troposphere (5 – 9 Miles Thick) The troposphere is the layer closest to Earth's surface and is what most of us are probably imagining when we talk about the atmosphere.

Ionosphere is part of Earth's upper atmosphere, between 50 and about 370 miles where Extreme UltraViolet creates a layer of electrons. Exosphere starts at 310 miles and contains oxygen and ...

Earth's atmosphere is about 78 percent nitrogen, 21 percent oxygen, with trace amounts of water, argon, carbon dioxide and other gases. The exact composition, as well as the temperature and ...

This lowest layer contains more than 80 percent of the massof the atmosphere and almost all of the water vapor, clouds, and precipitation. Several dark cloud layers are visible within this layer ...

Together, these layers protect us from the sun’s harmful radiation and keep temperatures on Earth habitable for all living beings. Understanding how the atmosphere works is crucial to everyday life.

Layers of the Earth's atmosphere. TERRY THOMAS; Dec 23, 2023 Dec 23, 2023 Updated Jan 26, 2025; 0; ... The junction between layers of atmosphere is usually not a discreet line, ...

But when I am talking about the atmosphere, I am referring to the layer closest to Earth, the troposphere, where all weather occurs. Of course, there are multiple layers to the atmosphere.

Ranging from September 2004 to December 2023, it spans multiple levels of the atmosphere from ground level up to the lower edge of space, about 110 kilometers above Earth's surface.