![60-Second Space show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/805/small/60-second-space.jpg)
Summary: A planet at least seven times as massive as Earth orbits comfortably in the habitable zone of the star HD 40307. John Matson reports
Summary: A planet at least seven times as massive as Earth orbits comfortably in the habitable zone of the star HD 40307. John Matson reports