S1, E1: Take a fascinating new look at a very old universe. Without the Sun, life on Earth would not exist. With a surface temperature of 5800 degrees it's one hot gas ball. Find out how it formed and what secrets it hides.

S1, E1: Take a fascinating new look at a very old universe. Without the Sun, life on Earth would not exist. With a surface temperature of 5800 degrees it's one hot gas ball. Find out how it formed and what secrets it hides.