“I have set my rainbow in the clouds, and it will be the sign of the covenant between me and the earth.” -Gen 9:13 If a simple rainbow means a promise between God and us, what could the northern lights mean….?

“I have set my rainbow in the clouds, and it will be the sign of the covenant between me and the earth.” -Gen 9:13 If a simple rainbow means a promise between God and us, what could the northern lights mean….?