We're going to understand that there is life on other bodies in the solar system.

The public has an incredible capacity for appreciating the wonder of our planet, our solar system, our universe.

What we expect to find, certainly in our own solar system, are probably simple single or multiple-cell forms of life. To get to intelligent life takes stability of conditions over huge, long periods of time.

They are primitive un-evolved bodies, so by studying these bodies we can learn more about how the solar system came to be in a way that's not otherwise possible.

Going to the Kuiper Belt is like an archaeological dig into the history of the solar system.

Mars is the only place in the solar system where it's possible for life to become multi-planetarian.