How the Universe Works

Tonight, Secrets of the Sun turns its lens on the star that makes life possible. Leading solar physicists explain how nuclear fusion powers the Sun’s furnace, while astronomers trace its influence across the galaxy. Viewers see real‑time footage from the Parker Solar Probe as it swoops past the corona, and a laboratory team recreates plasma arcs to illustrate magnetic storms. A historian of astronomy points out how ancient cultures read the Sun’s cycles, then a climate scientist links solar variability to modern weather patterns. The programme also visits a supercomputer centre where researchers model sunspot formation and predict solar flares that could knock out satellites. With clear graphics and on‑site reporting from observatories, the episode makes complex physics feel tangible. If you’ve ever wondered why the Sun shines, tonight’s broadcast gives you solid answers.