How many types of aurora are there?

It's a fascinating question to ponder: How many types of aurora are there? The aurora, also known as the northern or southern lights, are a breathtaking display of colors that dance across the night sky. But do they come in just one variety, or are there multiple types that light up the heavens? Could there be variations in color, intensity, or even shape? As we delve into this inquiry, we're sure to uncover a myriad of fascinating facts about these celestial wonders.