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As for the impressive flight sequences, in which Hiccup rides Toothless, the production created an animatronic dragon placed on a giant gimbal that moved on six different axes to simulate the physics of flying.

In the aftermath he paused his studies, but is now back at university doing a physics PHD and campaigns with Grenfell United.

"This is the Holy Grail of solar physics," says Prof Christopher Owen, who specialises in solar wind studies using data from the spacecraft.

Instead, they took the academic route out, enrolling to study theoretical physics and medicine at Edinburgh University.

They returned to L.A. immediately after the show because Eloise, who is graduating from high school, had a physics test the following morning.