Exosphere
Exosphere explained in an easy to understand way:
Imagine you're at a crowded party, but you're standing near the exit where it's less packed and you can easily leave at any time. This scenario is similar to the exosphere, which is the outermost layer of Earth's atmosphere, where air molecules are sparse and can drift away into space. Just as you are on the edge of the party, ready to step out into the open, molecules in the exosphere are loosely bound and can escape Earth's gravitational pull, illustrating the transitional and less dense nature of this atmospheric layer.
Practice Version
Exosphere: The outermost layer of the atmosphere. Exosphere. The exosphere is the thin, outermost layer of Earth's atmosphere where air molecules are very sparse and can escape into space.