Alt text is a good idea, but how do you accurately and succinctly describe a cat being … er … transmogrified(!) into rocket exhaust?

“Meme with two images and caption text (text). First image is of a dark grey cat sitting on a table with both paws stretched upward into a hanging light. The second image shows the cat cleverly photoshopped so that the cat is the smoke from a launching rocket, reaching its paws up into the engine.”