Black Smoke/Orb

…Around 10PM at night I witnessed what appeared to be black smoke coming from an apartment building a few blocks north. I was immediately confused because it did not move like anything I’ve seen in the sky. Best way to describe the movement of this “black smoke” is like when black ink drops into water. It was swirling, moving in multiple directions, and the color of was blacker than anything I’ve seen before. After a few seconds the “black smoke” turned into a small glowing orb ….