Watch This Space Eagle excitedly reports having observed an unusual, bright light in the sky. But when he brings the other Racers to see it too, there’s nothing there. Did Eagle actually see something, or did he just make it up? Taking Headmaster Crane's advice, the cadets try to solve the puzzle of the bright light. Testing various hypotheses to explain the sighting, they conclude that Eagle must have seen a variable star, whose brightness changes over time but which is very difficult to detect. With the assistance of AVA's database and Coot’s new software for predicting supernovae, they calculate the spot from where they might observe the next supernova from space. Eagle and the cadets fly there… but will they arrive in time to witness the luminous spectacle themselves and confirm Eagle's observation?