"Out Around Rigel" by Robert H. Wilson is a science fiction novel written in the early 20th century. It explores themes of space travel, friendship, and the consequences of ambition. The narrative follows the journey of two Lunarians, Garth and Dunal, as they embark on an ambitious voyage to Rigel in a spacecraft named the "Comet". This expedition leads to unforeseen challenges, both external and internal, that shape their destinies. The story revolves around the tension between Garth and Dunal, underscored by their friendship and rivalry. As they travel into the depths of space, they encounter thrilling phenomena, such as nearly colliding with a comet. However, their journey takes a dark turn when Garth succumbs to madness driven by jealousy, challenging Dunal to a life-or-death duel on the surface of an alien planet. Upon successfully escaping the planet's hostile environment, Dunal discovers that the temporal implications of their journey have unprecedented consequences—the trip to Rigel has spanned centuries back on their home, leaving Dunal alone in a world forever changed. The novel concludes with Dunal grappling with themes of loneliness, loss, and the irreversible passage of time. (This is an automatically generated summary.)