How the Universe Works

The series that explores the science of astronomy returns for a new season, continuing its focus on cutting‑edge space research. The opening episode turns its attention to the mysterious ninth planet, a body that astronomers claim may exist on the farthest edge of the Solar System.

The programme titled Mystery of Planet 9 is an episode‑length entry in a series that examines the science behind astronomy. It returns to the screen as a continuation of that broader scientific strand, presenting viewers with another investigation into the cosmos. In this instalment the focus shifts to the enigmatic “ninth” planet that astronomers say may be lurking at the farthest reaches of our Solar System. The episode opens by addressing the reports of this distant body, positioning it right on the outer edge of the planetary family. The show builds on the series’ established format of tackling astronomical topics, and it kicks off the new season by zeroing in on this particular mystery. By concentrating on the alleged planet’s location and the evidence that hints at its existence, the episode sets the stage for further inquiry into the outer Solar System. Overall, the episode serves as the starting point for the renewed series, offering a concise look at the possible ninth planet and reaffirming the programme’s commitment to presenting astronomy‑related science in an accessible way.