Cute simulation of space with gravity distortion

Mass in orbit around nothing
https://bigthink.com/starts-with-a-bang/universe-expand-stretching-creating-space/

First Results from DESI Make the Most Precise Measurement of Our Expanding Universe
https://newscenter.lbl.gov/2024/04/04/desi-first-results-make-most-precise-measurement-of-expanding-universe/