In the TNG episode "The Best of Both Worlds" Part 1"The Best of Both Worlds" Part 1, Commander Shelby is given guest quarters on the Enterprise. Her quarters contain the painting shown below:
What is the inverted tear-drop-like shape in this painting?
This piece of art doesn't seem completely random. We see what look like clouds in the lower third of the painting, and a star in the background. So what is this shape in the right half of the painting? It doesn't seem like a natural heavenly body.