Carl Sagan was a master of communication, one of my favourite scientists. "The Cosmos" was as enthralling as "Life On Earth". I think that film was spoiled though by the religious thread that ran through it - although it's in the book also I think. I think Sagan was an agnostic, but hadn't his wife just died or soemthing when he wrote it? I can't remember.

Actually our ability to see and think beyond observation is the principle defining characteristic we have compared to the rest of the animal kingdom. You just defined the human race. Theoretical physicists, biologists (like me), chemists, artists, base a huge chunk of what they do on things they have never seen or may actually never observe.

which team do you think is most likely