![Layers of the ionosphere diagram.](http://static.sciencelearn.org.nz/images/images/000/000/248/full/Layers-of-the-ionosphere20150924-22493-1th64qk.jpg?1674163961)
The layers of the ionosphere change from daytime to night-time. This alters the way in which radio waves reflect off the ionosphere and back to Earth.
The layers of the ionosphere change from daytime to night-time. This alters the way in which radio waves reflect off the ionosphere and back to Earth.