Roman Space Telescope Will Be Hunting For Primordial Black Holes

When astrophysicists observe the cosmos, they see different types of black holes. They range from gargantuan supermassive black holes with billions of solar masses to difficult-to-find intermediate-mass black holes (IMBHs) all the way down to smaller stellar-mass black holes. But there may be another class of these objects: primordial black holes (PBHs) that formed in …