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
June 21, 2026
Primordial Magnetic Fields and the bΛCDM Resolution of the Hubble Tension
June 20, 2026
The Phantom Divide Crossed: Quintom Dark Energy and the 4.2σ Failure of ΛCDM After DESI DR2
June 19, 2026
The Neutrino Acoustic Phase Shift: ACT DR6 Constraints on Light Relics
June 18, 2026
Cosmic Birefringence and CMB Parity Violation: The Chern–Simons Rotation After ACT DR6
June 17, 2026
The Hubble Tension After SPT-3G: A 6.2σ Clash in Cosmology
June 16, 2026
Is the Universe Lopsided? The Cosmic Dipole Anomaly and the 5σ Failure
June 15, 2026
Is Dark Energy Constant or Evolving? ΛCDM vs. w₀wₐCDM After DESI DR2
June 14, 2026
Cosmic Topology and the 3-Torus: Signatures of a Finite Universe
June 12, 2026
Starobinsky Inflation and the ACT DR6 Spectral-Index Shift: Are Plateau Models Ruled Out?
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.