Sun and black holes
Pro Research Analysisby 
Searched over 200M research papers
Sun-like Stars and Black Hole Binaries
Recent research has identified a Sun-like star orbiting a black hole, providing direct evidence that such systems exist in our galaxy. The star, similar in mass and temperature to our Sun, orbits a dark companion with a mass of about 9.6 times that of the Sun, confirming the presence of a stellar-mass black hole. This system is notable for its relatively long orbital period and its proximity to Earth, making it the nearest known black hole of its kind. The discovery suggests that there may be many more dormant black holes in binary systems with Sun-like stars, waiting to be found by future astronomical surveys .
Black Holes Inside the Sun: Theoretical Possibilities
Some theories propose that the Sun could harbor a primordial black hole at its center. If such a black hole exists, it would have formed shortly after the Big Bang and could contribute to the Sun’s energy output through accretion. Models show that very small black holes would have little effect on the Sun, but more massive ones could eventually consume the star, leading to observable changes such as a dimming of the Sun, expansion into a convective state, and an increase in surface helium. These scenarios remain compatible with current solar observations if the black hole is sufficiently small, but would produce unique signatures that could be detected with advanced techniques like asteroseismology 24.
Dark Matter, Black Holes, and the Sun
Dark matter could accumulate in the centers of stars like the Sun, potentially forming a small black hole if the conditions are right. If such a black hole grows large enough, it could eventually destroy the star. However, the continued existence of the Sun and Earth places strong constraints on the properties of dark matter that could lead to such outcomes. In less extreme cases, a small black hole formed from dark matter could produce detectable signals, such as unusual heat flows or high-energy neutrinos, offering new ways to search for these phenomena .
Observational Evidence and Astrophysical Implications
Observations of black holes in binary systems, including those with Sun-like stars, have advanced our understanding of how black holes interact with their environments. For example, some black holes in binary systems are detected through their X-ray emissions, which result from the accretion of material from a companion star. These observations confirm that black holes can have masses similar to or greater than the Sun and can exist in a variety of orbital configurations 68.
Black Holes, Solar Evolution, and Dark Matter
Theoretical work also explores how black holes of about one solar mass could form from the collapse of neutron stars, possibly due to the accumulation of dark matter. These solar-mass black holes could exist in binary systems and might be detectable through gravitational wave observations. The study of such objects could provide new insights into the nature of dark matter and the evolution of compact objects in the universe .
Conclusion
Research shows that Sun-like stars can orbit black holes, and there are plausible—though unconfirmed—scenarios in which black holes could exist inside stars like the Sun. These possibilities are important for understanding stellar evolution, the nature of dark matter, and the population of black holes in our galaxy. Ongoing and future observations, especially with advanced instruments and surveys, are likely to reveal more about the complex relationship between the Sun, black holes, and the broader cosmos 1234+3 MORE.
Sources and full results
Most relevant research papers on this topic