Astronomy Cosmic Lottery: How Many Habitable Planets? November 23, 2013 News media ran with a suggestion that one in five stars has a habitable planet, but they didn't read the fine print. CONTINUE READING
Astronomy Planet Habitable Zone Cannot Be Too Windy September 19, 2013 The "habitable zone" of a planet usually concerns its distance from the star such that it can support liquid water. But what if the star fries the surface with intense stellar winds? CONTINUE READING