In the early universe, dusty cocoons hide giants: inside them, black hole embryos of a million solar masses rapidly grow by devouring gas. It is these objects that the JWST sees as mysterious 'red dots' — a moment before the birth of supermassive monsters.
🎯 A black hole seed is a billion times lighter than an adult giant, but it grows so fast that it gains almost all its mass in 200 million years — like an acorn turning into a century-old oak in a single day.