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Are primordial black holes hiding in plain sight?
- Scientists have theorized about primordial black holes for decades, but none have been found yet.
- A new theoretical study suggests that traces of primordial black holes could be found in objects like hollow planetoids in space, rocks, metal or glass on Earth.
- Primordial black holes are smaller black holes than those formed by collapsing stars and could have been formed soon after the Big Bang from denser regions of space.
- The black holes could absorb a planetoid's liquid core or leave behind tunnels in much smaller object.
- Finding these signatures is rare, but searching for them wouldn't require much resources and would have a high payoff - the first evidence of primordial black holes.
- The researchers estimated the probability of finding black hole tunnels in old material to be 0.000001.
- These experiments would cost very little and could lead to a new theoretical framework for seemingly implausible physics concepts.
- The chances of primordial black holes passing through humans are unlikely, but even if they did, they would be unnoticeable. Human tissue has some tension that would contain the kinetic energy.
- The researchers wonder how big hollow planetoids could be. As it turned out, no larger than about 1/10 the diameter of Earth.
- The new study offers a new way to detect and search for primordial black holes that astronomers have theorized about for decades but haven't been able to find.
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