Astronomers Define the "Really Habitable Zone". Planets Capable of Producing Gin and Tonic

A hospitable star that doesn’t kill you with deadly flares. A rocky planet with liquid water and an agreeable climate. Absence of apocalyptic asteroid storms. No pantheon of angry, vengeful, and capricious gods. These are the things that define a habitable planet. Now some scientists are adding one more criterion to the list: gin and …