Atmosphere
Context
The envelope of gases surrounding the Earth or another planet
Explanation
The Earth's atmosphere is a layer of gases surrounding the planet, held in place by gravity. It is composed of layers including the troposphere, stratosphere, and ozone layer.
Applications
The atmosphere is vital for sustaining life, providing essential gases for breathing and photosynthesis.
It plays a key role in climate regulation and protecting the Earth from harmful solar radiation.
Studying the atmosphere is crucial for meteorology, environmental science, and climate change research.