Dark Matter
I assume you are referring to gravitational properties of dark matter influence of our and other spiral galaxies?
If so, I don’t have a clue. But you knew that. ;-)
Space/Science » in reply to re: Milky Way arms pinned down
I assume you are referring to gravitational properties of dark matter influence of our and other spiral galaxies?
If so, I don’t have a clue. But you knew that. ;-)