Ionosphere

The ionosphere is the part of the atmosphere that is ionized by solar radiation. It forms the inner edge of the magnetosphere and has practical importance because it influences high-frequency (HF) (3–30 MHz) radio propagation to distant places on the Earth.

See also

• Geophysics
• Van Allen radiation belt
• Radio
• Fade (radio)
• Line-of-sight propagation
• List of telecommunications transmission terms
• Related
• Tether propulsion
• Pioneer Venus project
• Nozomi
• New Horizons
• Nuclear explosion
• Nuclear weapon
• Soft gamma repeater
• TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics)
• International Geophysical Year
• Upper Atmospheric Lightning
• Lists
• List of astronomical topics
• List of electronics topics