Q. The VISUAL aurora consists of luminous arcs, rays or bands in the night sky, usually confined to high latitudes and located in the
Solution:
The ionosphere is defined as the layer of the Earth’s atmosphere that is ionized by solar and cosmic radiation. It lies 75-1000 km (46-621 miles) above the Earth. (The Earth’s radius is 6370 km, so the thickness of the ionosphere is quite tiny compared with the size of Earth.)
Get Question Bank
Strengthen Your Practice with our comprehensive question bank.