New Research Explores the Transformation of Black Holes into White Holes
Can black holes turn into white holes? It's not such a crazy idea, scientists say

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Recent studies indicate that primordial black holes, formed shortly after the Big Bang, could survive longer than expected and potentially transform into white holes. These tiny black holes, with masses comparable to a human eyebrow hair, may emit radiation that resembles the characteristics of white holes, which push matter away instead of trapping it.
- 01Primordial black holes may have lifespans longer than previously thought, potentially evolving into white holes.
- 02These black holes could reach a critical mass known as the Planck mass, around 20 micrograms, before emitting purifying radiation.
- 03The research suggests that a primordial black hole with an initial mass of one ton could explode and become stable at the Planck mass.
- 04White holes are theorized to be the opposite of black holes, continuously expelling matter and radiation.
- 05The findings may require a unified theory of quantum gravity to fully understand the transition from black holes to white holes.
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New research led by Daniel Paraizo from Eberly College of Science suggests that primordial black holes, which may have formed shortly after the Big Bang, could have significantly longer lifespans than previously estimated. These black holes, potentially as small as 20 micrograms, could undergo a transformation into white holes, which are theorized to expel matter instead of trapping it. The study highlights that once a primordial black hole reaches the Planck mass, it may emit purifying radiation characteristic of a white hole. The researchers found that a primordial black hole with an initial mass of about one ton could explode and become stable at this critical mass, challenging previous assumptions about black hole evaporation. The implications of these findings could reshape our understanding of black holes and white holes, although a comprehensive theory of quantum gravity is still needed to fully explain these phenomena. The research is currently available in a pre-peer-reviewed format on arXiv.
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