Ionosphere
noun
The ionosphere is a part of Earth's upper atmosphere, between about 30 miles (48 kilometers) and 600 miles (965 kilometers) above the surface, where ionization occurs due to solar radiation.
The ionosphere is important for long-distance radio communication.
Usage tips
Formal
radio waves,solar radiation,communications technology
noun
The portion of the atmosphere where free electrons and ions exist, allowing for electrical conductivity and affecting radio signal propagation.
Signals from satellites can be affected by changes in the ionosphere.
Usage tips
Technical
electrical conductivity,atmospheric layers,ionized particles
noun
The ionosphere is a part of Earth's upper atmosphere, between about 30 miles (48 kilometers) and 600 miles (965 kilometers) above the surface, where ionization occurs due to solar radiation.
The ionosphere is important for long-distance radio communication.
Usage tips
Formal
radio waves,solar radiation,communications technology
noun
The portion of the atmosphere where free electrons and ions exist, allowing for electrical conductivity and affecting radio signal propagation.
Signals from satellites can be affected by changes in the ionosphere.
Usage tips
Technical
electrical conductivity,atmospheric layers,ionized particles
Definition 1 of 2
Pro Tip 1/3Scientific Context
Understanding the ionosphere is crucial for scientists studying atmospheric phenomena.
Many satellite signals pass through the ionosphere.
Pro Tip 2/3Importance in Communication
The ionosphere reflects and refracts radio waves, enabling AM radio broadcasts over long distances.
Radio waves can bounce off the ionosphere.
Pro Tip 3/3Negative Effects
Solar flares can disrupt ionosphere stability, affecting communication and navigation systems.
Heavy solar activity can lead to communication blackouts.
Pro Tip 1/3Scientific Context
Understanding the ionosphere is crucial for scientists studying atmospheric phenomena.
Many satellite signals pass through the ionosphere.
Pro Tip 2/3Importance in Communication
The ionosphere reflects and refracts radio waves, enabling AM radio broadcasts over long distances.
Radio waves can bounce off the ionosphere.
Pro Tip 3/3Negative Effects
Solar flares can disrupt ionosphere stability, affecting communication and navigation systems.
Heavy solar activity can lead to communication blackouts.
Pro Tip 1/3Scientific Context
Understanding the ionosphere is crucial for scientists studying atmospheric phenomena.
Many satellite signals pass through the ionosphere.
Pro Tip 2/3Importance in Communication
The ionosphere reflects and refracts radio waves, enabling AM radio broadcasts over long distances.
Radio waves can bounce off the ionosphere.
Pro Tip 3/3Negative Effects
Solar flares can disrupt ionosphere stability, affecting communication and navigation systems.
Heavy solar activity can lead to communication blackouts.
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