Don't Stay Still... 🏃🏽‍♂️‍➡️ @RTB

Uploaded July 2025 | Updated September 2026, 1 week ago

$No Sign of Dark Photons | News of the Day | Hugh Ross Join Hugh Ross in this breaking News of the Day episode of Stars, Cells, and God. Hugh describes a search for dark photons, a candidate for comprising a large fraction of the universe’s dark matter. The search consisted of comparing a detailed map of the cosmic microwave background radiation (CMBR) with a catalog of more than 500 million galaxies. • Dark matter makes up 24.5% of the universe. • Probability of ordinary photons from the CMBR morphing into dark photons peaks when they pass through the plasma of electrons surrounding galaxy clusters. • Loss of CMBR photons will be correlated with galaxy cluster positions and would make the CMBR map look more splotchy. • The search team accounted for other effects known to distort the CMBR map. • The search team found no evidence for dark photons. They placed an upper limit on dark photon contribution to dark matter more than 10 times lower than previous analyses. • Future comparisons of the CMBR map with positions of denser, older galaxies will yield more stringent limits on dark photons. • Axions remain as the leading candidate particles to comprise the majority of the universe’s dark matter. LINKS & RESOURCES - Fiona McCarthy et al., “Dark Photon Limits from Patchy Dark Screening of the Cosmic Microwave Background,” https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.141003. News of the Day episode: Dark Matter Particles? (June 24, 2024), https://www.youtube.com/watch?v=ZUYvX3HYHpU&t=90s PLAYLIST – Stars, Cells, and God HOST: Hugh Ross CONNECT WITH US ▶️ Help us reveal God through #science by supporting Reasons to Believe at: https://support.reasons.org/donate-now?source=OLYOUTUBE ▶️ Follow RTB_Official for more #apologetics content! Facebook: https://www.facebook.com/RTBofficial Twitter: https://twitter.com/RTB_official Instagram: http://instagram.com/rtb_official Website: http://www.reasons.org$

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