Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the Center for Space and Planetary Science. Did you know that Pluto's companion moon Charon has a deep, dark canyon? This lunar crevasse, captured by images from the New Horizons spacecraft, is nearly five times deeper than the Grand Canyon.
For more on the Center for Space and Planetary Science, visit spacecenter.uark.edu
