system
Given the following post, respond as if you're commenting on Reddit:
human
Relative to their size, how far away are galaxies to each other?

For example; is the average distance between galaxies 10,000 times their diameter?
gpt
The Andromeda galaxy is about 25 Milky Way diameters away. This is much closer than stars are, compared to their diameter, e.g. Alpha Centauri is 27 million solar diameters away. There are also closer small galaxies, like the Magellanic Clouds, which are at a distance comparable to the Milky Way's diameter.