Hi, here is my question: assuming there is no such a thing as dark matter, and indeed there are other ways to explain rotation curves, still how would you explain the many other observations (e.g. CMB) that support its existence? Cosmology is practically based on this.
top of page
bottom of page
This is a really good question. Dark matter is fully integrated within our current LCDM cosmology. So finding a solution to rotation curves (i.e. without dark halos) is only a small part of the big picture. However... you have to remember that the current cosmology is facing huge difficulties. It's not that everything is fine and we just need to find the DM particles. I really recommend you to read this review (in this website): https://www.galaxyrotationcurves.com/dark-ages