The space station is involved in research work, trying to assess life forms on the planet. Two other scientists, Snow and Sartorius, are working on the station when Kelvin arrives. The novel opens dramatically as Kelvin is told by Snow that another scientist on board, Gibarian, has committed suicide. Snow is clearly shaken by what has happened and refuses (or is unable, due to his trauma) to say what happened. Sartorius has withdrawn and is virtually living as a recluse on the space station.