part.6.Universes, Time, Space, and Relativity

Every star in the night sky, including our Sun, began its trip in the same type of cosmic nursery a nebula. These vast shadows of gas and dust — some stretching across hundreds of light- times — serve as the cradles where stars are born. From delicate whispers of hydrogen to fiery titans that shape worlds, the life of a star is an grand tale of creation, balance, metamorphosis, and destruction.