The universe is full of strange ‘little red dots’. A new study shines light on their real nature
It turns out these little red dots might actually be evidence of supermassive black holes.
The James Webb Space Telescope has unveiled "little red dots" in distant reaches of the universe, sparking intrigue among astronomers. These tiny, bright red objects could hold clues to the formation of the earliest supermassive black holes and the origins of stars and galaxies. A new paper coauthored by the reporter suggests these little red dots may be evidence of such black holes, with their central regions outshining their host galaxies due to their intense light emissions.
Utilizing high-definition imaging, the team measured the size and star count of the galaxies hosting these mysterious dots. Results indicate the host galaxies are significantly smaller than typical galaxies at this early stage of the universe and contain around one billion stars, only a fraction of those in the Milky Way. The mass of the supermassive black holes in these dots remains uncertain, but studies suggest they may range from 10 million to 1 billion times the mass of our Sun.
While the formation and evolution of little red dots and their host galaxies continue to elude scientists, this research marks a significant step towards understanding their unique nature.
Written by urgent.news from The Conversation AU's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.