What really makes a planet habitable? Our assumptions may be wrong
Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “Ask a Spaceman” and “Space Radio,” and author of “How to Die in Space.” Sutter contributed this article to Space.com’s Expert Voices: Op-Ed & Insights. Remember Hoth, that ice-covered world from “The Empire Strikes Back”? Though some creatures eked … Read more