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 11, 2026
CMB Spectral Distortions: The μ-Distortion, Silk-Damping Injection, and the ΛCDM Prediction
June 9, 2026
Axion Early Dark Energy and the Hubble Tension: Pre-Recombination Solutions
June 7, 2026
Primordial Magnetic Fields and the Hubble Tension: A 5–10 Picogauss Relic in the CMB
June 4, 2026
Cosmic Birefringence: Is the CMB Revealing New Parity-Violating Physics?
June 3, 2026
Quintom Dark Energy: The Two-Field Lagrangian Crossing the Phantom Divide After DESI DR2
June 1, 2026
Is the Universe Lopsided? Planck PR4 Confirms CMB Asymmetry
May 30, 2026
SPT-3G 2025 Results Confirm the Hubble Tension: Deepest CMB Power Spectra
May 29, 2026
Is the Universe a 3-Torus? Cosmic Topology and the Laplace–Beltrami Resolution of the CMB Low-Quadrupole Anomaly
May 28, 2026
Hubble Tension Solutions Showdown 2026: Ranking Cosmological Models
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.