Conceptual artist Jonathon Keats' indie Local Air & Space Administration, or LASA, has pwned President Obama and NASA's quest to land astronauts on asteroids and even Mars. And he did it for less than $200.

That's because the arty prankster planted succulents in a pulverized Kuiper Belt asteroid for 21 days, and nurtured potatoes in dissolved lunar anorthosite and Martian shergottite mineral water. But that's not the point.