Beyond Earth T-shirt features 23 space missions

Let other geeks have their T-shirts with fictional space explorers -- now you can emblazon your chest with 23 space missions that have really explored space! Designed by Thomas Romer at Chop Shop, this incredibly awesome shirt features silhouettes of 23 of the great space missions from across Earth that have pushed the boundaries of solar system exploration. And Romer is generously donating $5 for every T-shirt sold to The Planetary Society.

We've also arranged with him to offer the shirts as a premium for a discounted rate for new memberships, thanks again to Romer's donation. (You can select the shirt with membership as an option when you buy.)

Here's the design in detail. I won't spoil the fun for you readers by naming all the spacecraft that appear on the shirt (though I will point you to a key if you get stumped). However, I will mention a few of the active and recent missions that are on it: Cassini-Huygens, Hayabusa and its sample return capsule, Spirit or Opportunity, Dawn, MESSENGER, Deep Impact, and Rosetta and Philae. See if you can find them, and then see if you can name all the others!

I hope to spot a number of these shirts at the Division of Planetary Sciences meeting in a couple of weeks!