The Void that could break cosmology скачать в хорошем качестве

The Void that could break cosmology

Win A Meteorite briankeating.com/yt The Hubble Tension is a baffling discrepancy in measurements of the universe’s expansion rate. Using observations of the Cosmic Microwave Background (CMB) and Type Ia supernovae, astronomers have calculated conflicting values for the Hubble constant, creating a scientific conundrum that has persisted for over a decade. But what if the answer to this mystery doesn’t require exotic new physics? Recent research proposes that a massive under-dense region of the universe, known as the KBC Void, could be skewing local expansion rate measurements. Spanning 700 million light-years, this gigantic void might be creating an illusion of faster expansion in our cosmic neighborhood compared to the early universe. Could the emptiness of space really hold the key to resolving the Hubble Tension? Or will alternative theories, like early dark energy or modified gravity, steal the spotlight? We explore the evidence, implications, and competing hypotheses in this journey through the universe’s most perplexing problem. For a century, physicists assumed the universe expands uniformly, relying on dark energy to explain unknown forces driving cosmic acceleration. But dark energy has always faced challenges. Now, researchers at the University of Canterbury in New Zealand propose a groundbreaking alternative: the timescape model. By analyzing supernova light curves, they reveal the universe expands unevenly, or “lumpily.” This model eliminates the need for dark energy, explaining variations in light stretching as effects of how time and distance are calibrated. It accounts for gravity slowing time—clocks in galaxies tick slower than those in cosmic voids, where billions more years could pass. This difference makes voids dominate, creating the illusion of faster cosmic expansion. What if the secret to solving one of cosmology’s biggest mysteries lies in nothing—literally? READ THE TIMESCAPE PAPER: https://academic.oup.com/mnrasl/artic... Join us to unravel how cosmic voids, gravitational dynamics, and cutting-edge telescopes like James Webb are reshaping our understanding of the cosmos. 🔔 Don’t forget to subscribe for more on the mysteries of the universe! Join this channel to get access to perks:    / @drbriankeating   📚 Get a copy of my books: Think Like a Nobel Prize Winner, with life changing interviews with 9 Nobel Prizewinners: https://a.co/d/03ezQFu My tell-all cosmic memoir Losing the Nobel Prize: http://amzn.to/2sa5UpA The first-ever audiobook from Galileo: Dialogue Concerning the Two Chief World Systems: Ptolemaic and Copernican https://a.co/d/iZPi9Un 📺 Watch my most popular videos:📺 Neil Turok    • Neil Turok Believes Physics Is In Crisis (...   Frank Wilczek    • Nobel Prizewinner Frank Wilczek: Beautiful...   Eric Weinstein vs. Stephen Wolfram    • Stephen Wolfram vs. Eric Weinstein: Mathem...   Sir Roger Penrose:    • Nobel Prize in Physics, Black Holes and Wo...   Sabine Hossenfelder:    • “I Don’t Care About Your Theory of Everyth...   Avi Loeb:    • UFOs & UAPs: The Situation Has Changed! Av...   Follow me to ask questions of my guests: 🏄‍♂️ Twitter:   / drbriankeating   🔔 Subscribe https://www.youtube.com/DrBrianKeatin... 📝 Join my mailing list; just click here http://briankeating.com/mailing_list ✍️ Detailed Blog posts here: https://briankeating.com/blog.php 🎙️ Listen on audio-only platforms: https://briankeating.com/podcast #universe #podcast #briankeating #intotheimpossible #science #astronomy #cosmology #cosmicmicrowavebackground #intotheimpossible #briankeating