Is Gravitational Waves Leaving a Memory Effect on Space?

If gravitational waves are leaving permanent imprints on space, then maybe things falling into a black hole are like changing the space around a black hole in some important way. Or maybe it's like a space angel, you know, think about it in a positive way. It's like making it's mark on space. You know, you can make snow angels or sand angels. Can you lie down in space and like wag your arms and make a space angel? Oh, I see. I thought you were talking about actual space angels. No, that would be a spiritual angel. Yeah. I'm talking about a real physical thing,. If you stand around and you have your arms, you