Images: In Paris, the aircraft of the future

This gent with the lively necktie knows a thing or two about space flight. It's Buzz Aldrin, the astronaut who stepped onto the moon just a few minutes after Neil Armstrong in 1969. With him in this Paris Air Show tete-a-tete are French cosmonauts Jean-Pierre Haignere and Jean-Loup Chretien. But if your taste in celebrities runs more to the Hollywood type...

Photo by Pierre Verdy/AFP/Getty Images