Show us something you made.
This is figure 10.4-1 from the textbook I am working on. This chapter describes how we can go from Eratosthenes and Aristarchus to the Hubble Space Telescope using simple logic and a little math. Humans are an amazing species, and our place in the Universe is wonderful to contemplate .
 Except for Mars, which was starved as a child by Jupiter.
 I’ll bet you thought I was going to link to this, didn’t you?