Dark energy is a mysterious force speeding up the universe’s expansion. Recent research suggests black holes might play a role in creating dark energy, challenging our early understanding of this phenomenon. A new study indicates that black holes could convert dead star matter into dark energy, making it a product of the cosmic cycle starting from the Big Bang.
Published on August 21 in Physical Review Letters, the paper utilizes data from the Dark Energy Spectroscopic Instrument (DESI). This study presents the cosmologically coupled black hole (CCBH) hypothesis, proposing that dark energy develops as stars form and die over time.
Gregory Tarlé, a co-author of the study and a scientist at DESI, stated that this research fits the data to a physical model effectively. He described the findings as “compelling,” a word he notes is used cautiously in scientific discussions.
DESI has been creating a detailed 3D map of our universe since its launch in 2018. Using 5,000 robotic eyes, it captures images of galaxies every 15 minutes. This mapping effort has not only revealed significant data about dark energy but has also sparked new debates in cosmology and particle physics about the universe’s early conditions.
The CCBH hypothesis presents an intriguing solution to some of these challenges. It aligns the distribution of neutrino mass—tiny particles that have puzzled scientists—with findings from ground-based experiments. Rogier Windhorst, an astrophysicist at Arizona State University, expressed excitement over this connection, emphasizing its implications for understanding dark energy.
Duncan Farrah, from the University of Hawaii, highlighted how this model unexpectedly ties together different cosmic phenomena. While the theory shows promise, it will need further examination and validation from future DESI data and the broader scientific community.
As we continue to explore these new findings and perspectives in cosmology, we enter an exciting era filled with possibilities, learning from the universe shaped since the Big Bang. The best might still be ahead of us in this ever-evolving field.
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Cosmology,Dark energy