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
May 11, 2026
The Cosmic Dipole Anomaly: A Superhorizon Isocurvature Lagrangian Resolving the 5.4σ CMB-Quasar Matter Dipole Tension
May 11, 2026
Cosmic Birefringence: Chern-Simons Axions and the ACT DR6 Anomaly
May 10, 2026
Scalar Chemical Potential Cosmological Collider: A CMB Lagrangian
May 9, 2026
Fab-Four Self-Tuning Inflation: Lagrangian Origin of CMB Anisotropy
May 8, 2026
ACT DR6 Inflation Crisis: n_s = 0.9743 Excludes Starobinsky R²
May 7, 2026
Webb First Direct Exoplanet Surface Spectroscopy: LHS 3844 b Reveals Dark Airless Basaltic Super-Earth
May 5, 2026
ACT DR6 + BICEP/Keck Constraints Rule Out Major Inflation Models: The Hunt for Primordial B-Modes
May 5, 2026
ACT DR6 Cosmic Birefringence: Axion Parity Violation at β=0.215°
May 4, 2026
Negative Neutrino Mass Anomaly: ACT DR6 Lensing × DESI DR2 BAO
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.