Or to make a giant disc that can be positioned in an orbit that totally eclipses the sun and/or our hearts regularly so that when we're old we can bitch at kids about how total eclipses used to be rare and special but now everyone takes them for granted because NASA wasted a bunch of money making them mundane and that's what happened to our retirement funds and is why grandparents live in boxes and look forward to the relative comfort of the final box.

Edit: wording