The universe is about 13.7 billion years old some the material has existed since then, just formed in different ways, the milky way is almost as old as the universe but not sure exactly how long it took fromt eh big bang to when material gathered into galaxies and stars etc.
Actually the Milky Way was created by Heracles when he was a baby. His father, Zeus, was fond of his son, who was born of the mortal woman Alcmene. He decided to let the infant Heracles suckle on his divine wife Hera’s milk when she was asleep, an act which would endow the baby with godlike qualities. When Hera woke up and realized that she was breastfeeding an unknown infant, she pushed him away and the spurting milk became the Milky Way. That was in 1264 BC.
Btw… I am only telling you about a mythical story. 😉 The actual age of the galaxy is is closer to the age of the universe. The oldest star in the galaxy is known to be 13.2 billion years old so may be that’s how old it is.
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Judith commented on :
No way, Mr Mars invented the mars bar!! sorry but whenever i get asked who invented X i just say Mr X, small moments of satisfaction 😀