the moon is half of the sign of plutto.range world and geoology that is going on 400 degrees below 0. >> and fascinating and the spacecraft will make its closest run. and bombing the pictures back. and in the speed of light. those signals take four and half-hours to roach the earth. n3 billion miles away. and the conversation we have with new horizon is nine trip. and that confirmed the fly by and tomorrow get the bits of the image and it will take 16 months to get all of the science back to earth. >> and i remember the mercurry and apollo. and this trip makes the u.s. the first and only nation to have visited every planet in the solar system. do you so any kind of a watershed moment here? >> does the past glory of nasa and the u.s. space program come back as a result of when we are doing here today? >> no question it demonstrates our expertise. we are the masters of exploring the planets and that is true half a century. whether we rest on our laurels or more ambitious visits. we want to visit and orbit them with spacecraft