Question

(a) What is the ratio of the distance to the nearest galaxy to the size of...

(a) What is the ratio of the distance to the nearest galaxy to the size of the Milky Way galaxy? This is typical of the distances between galaxies as compared with their sizes.
dgal/dMW =

(b) What is the ratio of the size of the Milky Way to the distance to the sun?
dMW//dsun =

(c) What is the ratio of the distance to Andromeda to the distance to the sun?
dgal/dsun =

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