Black holes and solar physics
Pro Research Analysisby 
Searched over 200M research papers
Primordial Black Holes and Their Role in Solar Physics
Primordial Black Holes as Dark Matter Candidates in the Solar System
Primordial black holes (PBHs) are theorized to have formed in the early universe and could make up a significant portion of dark matter. If PBHs of asteroidal mass exist in the solar system, their gravitational effects on planetary orbits would be very subtle—current measurements are not precise enough to detect these perturbations, but future improvements in observational accuracy could make detection possible . This suggests that while PBHs could be present, their influence on solar system dynamics is currently undetectable.
Black Holes at the Center of the Sun: Evolutionary Impacts
The idea that the Sun could harbor a central black hole, possibly a captured PBH, has been explored in solar evolution models. If such a black hole is very light, it would have little to no effect on the Sun’s evolution. However, a more massive black hole could eventually consume the Sun, leading to observable changes such as a dimming of solar luminosity, expansion into a convective star, and eventual transformation into a subsolar-mass black hole. These changes would occur over millions to billions of years and could potentially be detected through asteroseismology or other observational techniques Bellinger2023Caplan2023. Despite these possibilities, current evidence suggests there is probably not a black hole at the center of the Sun, but the scenario remains an interesting avenue for research .
Formation of Solar-Mass Black Holes and Their Detection
Solar-mass black holes (with masses around 1–2.5 times that of the Sun) are not expected from standard stellar evolution. However, they could form through the collapse of neutron stars that have captured PBHs or accumulated certain types of dark matter. The mass distribution of these "transmuted" black holes would mirror that of neutron stars, providing a unique signature that could be tested with gravitational wave observations. Recent gravitational wave detections are consistent with the existence of such black holes, but more data is needed to confirm their origin Takhistov2021Kouvaris2018.
Dark Matter, Black Holes, and Solar Signatures
Dark matter could accumulate in the Sun’s core and, under certain conditions, collapse into a black hole. If the resulting black hole is large enough, it could eventually consume the Sun, but smaller black holes might evaporate, producing detectable heat or high-energy neutrinos. These neutrino signals from the Sun could be observed by detectors like IceCube, offering a new way to search for dark matter interactions and black hole formation in solar physics .
Gravitational Lensing and Black Holes in the Solar System
Black holes can act as gravitational mirrors through a process called retrolensing, where light from solar system objects is bent around a black hole and redirected back toward the observer. This effect could, in theory, allow us to observe past states of solar system objects if a suitable black hole is nearby. While this is a novel concept, it remains largely theoretical and has not yet been observed in practice .
Primordial Black Hole Formation and Solar-Mass Black Holes
The fragmentation of the inflaton field in the early universe could lead to the formation of PBHs with a range of masses, including those similar to the Sun. These PBHs could account for all dark matter and are of particular interest for gravitational wave astronomy, as they may be detectable through their merger events .
Conclusion
Research at the intersection of black holes and solar physics highlights several intriguing possibilities: PBHs as dark matter in the solar system, the potential for black holes at the Sun’s center to alter its evolution, and the formation of solar-mass black holes through non-standard processes. While current observations do not confirm these scenarios, ongoing improvements in measurement precision, gravitational wave detection, and neutrino astronomy may soon provide new insights into the role of black holes in solar physics Thoss2024Bellinger2023Takhistov2021+5 MORE.
Sources and full results
Most relevant research papers on this topic