ionosphere
Definition
A layer of the Earth's atmosphere that is ionized and reflects radio waves.
日本語 電離された地球大気の層、電波を反射する
Example
"The radio signal bounced off the ionosphere to reach distant locations."
A layer of the Earth's atmosphere that is ionized and reflects radio waves.
日本語 電離された地球大気の層、電波を反射する
"The radio signal bounced off the ionosphere to reach distant locations."