Two radio astronomers spent months trying to eliminate a faint hiss in their antenna, even scrubbing out pigeon droppings, before realising the noise they couldn’t get rid of was the afterglow of the early universe — the cosmic microwave background left behin - Space Daily

Two radio astronomers spent months trying to eliminate a faint hiss in their antenna, even scrubbing out pigeon droppings, before realising the noise they couldn’t get rid of was the afterglow of the early universe — the cosmic microwave background left behin Space Daily A slice of the static on an old untuned television was the afterglow of the Big Bang, which means millions of people spent decades staring at the oldest light in the universe without knowing it. Space Daily