Mastodawn

Let me tell you about the greatest color-by-numbers of all time.

The first up-close photo of Mars was taken #OTD in 1965 by the Mariner 4 spacecraft.

But it doesn't look like much, right? Grainy and blotchy and hard to tell what exactly you're looking at.

A mere 8 years after getting a barely orbital satellite, we were already sending stuff to Mars? Talk about rapid progress.