The primary consideration of humans when they choose to settle one area over another is whether the location is:
A. On the waterfront such as a coastline, river, or lake.
B. Good for livestock
C. On land that will make it easier to grow food
D. Near needed resources

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.