What is the Biblical difference between the Northern lights and the Rainbow?

One major difference is...Northern lights were created by Jehovah God as part of his general creation.

The Rainbow was also part of God's creation but with a special promise connected with it mentioned in Gen chapter 9 verses 11-16.

"A semicircular bow, or arc, exhibiting a spectrum of colors; a visible sign of Jehovah’s covenant promise that ‘no more would all flesh be cut off by waters of a deluge, and no more would there occur a deluge to bring the earth to ruin" (Ge 9:11-16)

The difference is that "the Northern Lights" are never mentioned in the Bible.

The rainbow was a symbol of Jehovah God's agreement with the Earth and mankind that He would never flood it again. (Genesis 9:12-16)

Northern lights is a stronger strain of marijuana which is more effective for medical applications. Rainbow marijuana is more mellow and known to cause light effects and laughter. 

RAINBOW COMES AFTER RAIN...IF U WISH MORE INFO, CONSULT A TRINITY PASTOR..