We use to ask the teacher if the universe is expanding, just what is expanding into. They all pretended to answer the question by evincing anger and impatience.
I have read one scientific attempt and it was something about a crab crawling on the shore. It was nonsense.
Same when I ask a “progressive”.
“What are you progressing TO?”
Always silence and a bewildered look.
We use to ask the teacher if the universe is expanding,
—
The Universe is expanding true, but its the space between objects that is expanding; however, everything in the Universe is moving toward the Great Attractor. We cannot see it because whatever it is is hidden by huge dust cloud between us and it.