All articles tagged with #hubble tension
The final data from the Atacama Cosmology Telescope in Chile has confirmed the Hubble tension—discrepancies in the universe's expansion rate—and ruled out around 30 alternative cosmological models, helping to narrow down the possible explanations for this cosmic mystery.
A 15-year study using the Atacama Cosmology Telescope confirmed the existence of the Hubble tension, revealing discrepancies in the universe's expansion rate and ruling out many extended cosmological models, thus deepening the mystery of our universe's true nature.
Scientists propose that the universe might be gently spinning to resolve the Hubble tension, a discrepancy in measurements of cosmic expansion, without violating known physics. This subtle rotation could be detected through patterns in the cosmic microwave background and galaxy distribution, potentially reshaping our understanding of cosmic dynamics.
The article explores seven perplexing space mysteries, including the Hubble tension, fast radio bursts, dark matter, a unique gamma-ray burst, Hoag's Object galaxy, the potential existence of Planet Nine, and the vast unknowns of the universe, highlighting ongoing questions and the pursuit of scientific answers.
Astronomers have identified enormous cosmic voids, such as the Boötes Void and the larger KBC Void, which challenge existing models of galaxy distribution and may explain the discrepancies in measurements of the universe's expansion rate, known as the Hubble tension, suggesting we might be living inside a vast, underdense region of space.
Astronomers suggest Earth and our galaxy may reside in a giant cosmic void, which could explain discrepancies in measurements of the universe's expansion rate, potentially solving the long-standing Hubble tension, though this idea remains controversial within the scientific community.
Recent research suggests we may live in a large cosmic void with fewer galaxies, which could explain the faster-than-expected expansion rate of the universe known as the Hubble tension. The study uses baryon acoustic oscillations to support the void hypothesis, indicating that our local universe might be expanding more quickly due to residing in a low-density region, challenging the standard cosmological model.
A University of Queensland researcher developed a new mathematical model that incorporates collapsing matter regions and expanding voids, offering insights into the universe's evolution and addressing key issues like Hubble tension and dark energy variability, using data from DESI.
Recent research suggests we may live in a large cosmic void, which could explain the Hubble tension—the discrepancy in the universe's expansion rate—by showing that local measurements are affected by our position in a less dense region, supported by analysis of early universe sound patterns in the cosmic microwave background.
Scientists suggest we live in a large cosmic void, which could explain the faster-than-expected expansion rate of the universe (Hubble tension). Recent analysis of early universe sound waves and galaxy distribution supports this idea, making the void model significantly more likely than the standard cosmological model without a void. Further measurements are needed to confirm this hypothesis.
Astronomers propose that Earth resides in a massive, billion-light-year-wide void, which could explain the faster-than-expected expansion rate of the universe locally, potentially resolving the Hubble tension and supporting the universe's estimated age of 13.8 billion years. Evidence from sound waves of the early universe and galaxy distribution supports this theory, though it challenges standard cosmological models.
Scientists propose that our galaxy may reside in a massive under-dense region, or 'void,' which could explain the discrepancy in measurements of the universe's expansion rate known as the Hubble tension. This void, potentially spanning a billion light-years, might cause local galaxies to appear to recede faster, aligning local observations with cosmic microwave background data. While this hypothesis is supported by some galaxy surveys and baryon acoustic oscillation data, it remains controversial and requires further investigation with upcoming measurements to confirm or refute the idea.
Astronomers present evidence suggesting Earth resides in a large cosmic void, which could explain discrepancies in measurements of the universe's expansion rate and prompt revisions to current cosmological models.
New research suggests Earth may reside in a vast cosmic void, which could explain the Hubble tension—the discrepancy in measurements of the universe's expansion rate—by indicating we are in a low-density region expanding faster than the rest of the universe. This local void hypothesis is supported by baryon acoustic oscillations data, challenging the standard cosmological model and offering a potential solution to the longstanding problem.
Scientists suggest Earth may be inside a billion-light-year-wide cosmic void, which could explain the Hubble Tension—the discrepancy in measuring the universe's expansion rate—by making our local universe appear to expand faster. Evidence from baryon acoustic oscillations supports this theory, indicating our corner of the universe might be more isolated than previously thought.