Life and Death of the Milky Way
This episode investigates the mystery of why the light from thousands of galaxies including the Milky Way is getting dimmer.
Are massive eruptions of gas from the centre of galaxies a clue to what is turning the lights off? Do strange alien stars in the Milky Way reveal how to turn them back on? Can a cosmic mega-collision billions of years in the future rejuvenate our galaxy? This episode unlocks the latest research and discoveries about how galaxies are born, live and die.