Black Shadow Ball
 

Hello - just a general question if anyone knows what this was or has seen something like it before.

Yesterday I saw a black ball - like a black shadow - probably 5-6 feet off the ground and about the size of a small melon zoom past my window so fast it couldn't have been a person or a bird. The whole wall is windows so I watched it go all the way past the side of my house on a path.

Any ideas?

I will assume this is not a phy. obj. I will assume this is some thing of energy and not mater . A human created thought form , the soul of a once living person ( ghost) , a still living person asleep in their astral body , an elemental being .