Space exploration graphically

Below is a small bit of a huge graphic which shows a colorful diagram of 50 years' worth of space exploration.
Did you know that there has been forty-three missions to Venus! Wow. That's far.


(Wow, and it's on a fast server too! that 900kb+ image loads virtually instantly for me.)

I am using this as wallpaper on my big screens. It's kind of funny, because all the labelled objects in the picture makes it a real challenge to see where the frig my icons are! :-)