Ionosphere

usgb/aɪəˌnɔsəfɪr/
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.
Visual representation of "ionosphere" - 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.

Usage tips

Formal

radio waves,solar radiation,communications technology

Definition 1 of 2
Visual representation of "ionosphere"
LampPro Tip 1/3

Scientific Context

Understanding the ionosphere is crucial for scientists studying atmospheric phenomena.

Illustration for Scientific Context
Many satellite signals pass through the ionosphere.
LampPro Tip 2/3

Importance in Communication

The ionosphere reflects and refracts radio waves, enabling AM radio broadcasts over long distances.

Illustration for Importance in Communication
Radio waves can bounce off the ionosphere.
LampPro Tip 3/3

Negative Effects

Solar flares can disrupt ionosphere stability, affecting communication and navigation systems.

Illustration for Negative Effects
Heavy solar activity can lead to communication blackouts.
Visual representation of the word "Ionosphere"

Never forget "Ionosphere"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

Download on the App StoreGet it on Google PlayGet it from MicrosoftGet it on AppGallery
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension