It's ... strictly coincidental that Pluto of course was named for the god of the underworld and we're describing these Halloween moons,

It's ... strictly coincidental that Pluto, of course, was named for the god of the underworld and we're describing these Halloween moons.

Pluto is still active four and a half billion years into its history. It was expected that small planets like Pluto would cool off long ago and not still be showing geological activity. Pluto is, in fact, showing numerous examples of geological activity on a massive scale across the planet.

Science is really about individual experts reaching a consensus.

Even in our deep ocean, there are ecosystems at work with no light whatsoever down in the deepest portions of the oceanic abyss.

As a planetary scientist, I don't know what else to call Pluto: It's big and round and thousands of miles wide.