The earliest black holes in the Universe called primordial black holes (PBHs), are strong contenders to help explain why the Universe is heavier than it looks. There’s only one problem: these miniature monsters haven’t exactly been observed--yet. But, when astronomers do find them, they might turn out to be part of the Universe’s dark matter …
The earliest black holes in the Universe called primordial black holes (PBHs), are strong contenders to help explain why the Universe is heavier than it looks. There’s only one problem: these miniature monsters haven’t exactly been observed--yet. But, when astronomers do find them, they might turn out to be part of the Universe’s dark matter …
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