Suggestions on the theme space?

i am looking for a list of ideas and concepts based on the theme space. it doesn't have to be about the stars and i also need something original. if you think of anything good me!

The great depression, which lasted throughout the 1930s in the united states, affected many people, and it had a devastating impact on an entire subset of the u.s. population. modernist writer john steinbeck wrote about the toll the depression took on these families, many of whom were forced to leave their farms and find other sources of income.