CMB Anisotropy Project
Mapping the afterglow of the Big Bang to decode the origins of the universe.
The CMB Anisotropy Project is dedicated to the high-precision analysis of the Cosmic Microwave Background (CMB), the faint afterglow of the Big Bang. We map and study the minute temperature variations, or anisotropies, in this ancient light to probe the conditions of the infant universe. These patterns hold the secrets to cosmic inflation, the distribution of dark matter and dark energy, and the fundamental parameters that define our universe. Our work involves processing vast datasets from space-based observatories to create the most detailed maps of the early cosmos ever produced.
Publications from CMB Anisotropy Project
July 22, 2026
Is the Cosmological Principle Broken? A Field-Theoretic Test of Cosmic Anisotropy
July 21, 2026
The Negative Neutrino Mass Problem: Reconciling DESI DR2 and CMB Lensing via Sign-Switching ΛsCDM
July 20, 2026
Is the Universe Lopsided? Tilted Bianchi Cosmology and the Khronon Field
July 19, 2026
Pinning N_eff to 2.99: How ACT, SPT & Planck Ruled Out Dark Radiation
July 18, 2026
Cosmic Strings and the CMB: A Field-Theoretic Analysis of Topological-Defect Anisotropies and the Nanohertz Gravitational-Wave Tension
July 17, 2026
CMB Spectral Distortions: The μ-Distortion Window Into Inflation
July 16, 2026
CMB Lensing vs. the S8 Tension: Did ACT DR6 and KiDS-Legacy Just End Cosmology's Structure-Growth Crisis?
July 15, 2026
Axion Early Dark Energy: The Pre-Recombination Scalar Field Resolving the Hubble Tension
July 14, 2026
The Hemispherical Power Asymmetry: A Field-Theoretic Analysis of the CMB's Lopsided Sky
FAQs about CMB Anisotropy Project
The CMB is the oldest light in the universe. It's a faint afterglow of heat leftover from the Big Bang that fills all of space.
In this context, an anisotropy is a very small difference in temperature in the CMB. While the CMB is incredibly uniform, it has tiny hot and cold spots.
These tiny temperature spots were the seeds that grew into everything we see today. The slightly denser, hotter spots eventually formed all the stars, planets, and galaxies through gravity. 🌌
The project uses very sensitive radio telescopes, often located in high-altitude, dry locations like the Atacama Desert or on space satellites, to create detailed maps of these faint temperature patterns across the entire sky.