There’s always something over the next hill, just beyond the horizon, and insatiable curiosity will one day propel us to find out what it is. I think that’s why we read, why we hike, why we write, why we build robotic spacecraft with plutonium radioisotope thermoelectric generators: we’re always Chasing New Horizons.
On the Origin of Triton and Pluto
The paper proposed a radically new hypothesis for the origin story of Pluto and Triton, and in the process laid the groundwork for a whole new understanding of the structure and formation of the entire solar system.