ex
os
phere
Plural
exospheres
1
the outermost layer of Earth's atmosphere, transitioning to outer space, with extremely low gas densities
- The exosphere marks the boundary between Earth's atmosphere and outer space.
- Satellites in the exosphere experience minimal atmospheric drag, allowing for prolonged orbits.
- Gas molecules in the exosphere are so sparse that they can travel hundreds of kilometers without colliding.
- The exosphere contains a mix of residual atmospheric gases, including hydrogen and helium.
- The International Space Station orbits within the exosphere, experiencing a near-vacuum environment.