Dean Regas is the Astronomer at Cincinnati Observatory, USA, and a passionate educator on space and the solar system. As well as being responsible for outreach activities at the Observatory, Dean is one of NASA’s Solar System Ambassadors, who communicate its latest discoveries to the public. An extremely engaging and media-savvy astronomy lecturer, he is regularly featured on television and radio and hosts the podcast Looking Up. Dean is the author of several books including Facts from Space! and has written for publications such as The Huffington Post and Sky & Telescope magazine.