The great ocean of truth
This Pluto stuff amazes me! Ever since I was a child I have been intrigued by our solar system and space itself. I remember staring up into the sky wondering how big the universe was and debating whether it went on forever or had some end. Neither option really made sense to me which just added to the wonder of it all. So to see pictures of Pluto like we've never seen before has just been simply fascinating. Pluto is far away. The New Horizons space probe left Earth nine years ago and has traveled some three billion miles at a speed of about 36,000 miles per hour. It takes about four and a half hours for radio signals from the probe to get back to earth. That is a long way away, but in comparison to the size of the universe, it's not very far at all. For instance, the nearest star to our solar system is over four light years away. In other words, it takes light four years to travel from the nearest star t...