👉 Perania is a fictional world in the science fiction series "Star Trek." It's known for its unique climate, with temperatures ranging from freezing cold to almost 45 degrees Fahrenheit and an average of over 300 days per year. The atmosphere is primarily composed of carbon dioxide, sulfur dioxide, and nitrogen oxides, which contribute to its signature blue color. Additionally, Perania features a unique ecosystem that includes a variety of flora and fauna adapted to the harsh conditions.