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Cosmic Microwave Background

The Cosmic Microwave Background (CMB) is the residual thermal radiation from the early universe, dating back to approximately 380,000 years after the Big Bang. It provides a snapshot of the universe at that time, offering critical evidence for the Big Bang theory.

Source: esa.int

APODs including "Cosmic Microwave Background"

The Observable Universe

The Observable Universe

23/11/2025

Dark Matter in a Simulated Universe

Dark Matter in a Simulated Universe

20/10/2024

N11: Star Clouds of the LMC

N11: Star Clouds of the LMC

12/04/2022

CMB Dipole: Speeding Through the Universe

CMB Dipole: Speeding Through the Universe

03/04/2022

The Observable Universe

The Observable Universe

16/03/2022

Dark Matter in a Simulated Universe

Dark Matter in a Simulated Universe

31/10/2021

Dark Matter in a Simulated Universe

Dark Matter in a Simulated Universe

25/10/2020

The Local Void in the Nearby Universe

The Local Void in the Nearby Universe

06/08/2019

N11: Star Clouds of the LMC

N11: Star Clouds of the LMC

29/04/2019

Planck Maps the Microwave Background

Planck Maps the Microwave Background

22/07/2018

The Observable Universe

The Observable Universe

08/05/2018

Dark Matter in a Simulated Universe

Dark Matter in a Simulated Universe

31/10/2017

Galaxy Cluster Gas Creates Hole in Microwave Background

Galaxy Cluster Gas Creates Hole in Microwave Background

10/04/2017

CMB Dipole: Speeding Through the Universe

CMB Dipole: Speeding Through the Universe

15/06/2014

Cosmic Microwave Map Swirls Indicate Inflation

Cosmic Microwave Map Swirls Indicate Inflation

18/03/2014

Planck Maps the Microwave Background

Planck Maps the Microwave Background

25/03/2013

The CMB Cold Spot

The CMB Cold Spot

21/03/2011

Microwave Milky Way

Microwave Milky Way

09/07/2010

CMBR Dipole: Speeding Through the Universe

CMBR Dipole: Speeding Through the Universe

06/09/2009

CMBR Dipole: Speeding Through the Universe

CMBR Dipole: Speeding Through the Universe

09/03/2008

Huge Void Implicated in Distant Universe

Huge Void Implicated in Distant Universe

27/08/2007

CMBR Dipole: Speeding Through the Universe

CMBR Dipole: Speeding Through the Universe

08/10/2006

COBE All-Sky Map

COBE All-Sky Map

07/10/2006

Inflating the Universe

Inflating the Universe

23/03/2006

CMBR Dipole: Speeding Through the Universe

CMBR Dipole: Speeding Through the Universe

08/05/2005

Redshift 10: Evidence for a New Farthest Galaxy

Redshift 10: Evidence for a New Farthest Galaxy

17/03/2004

A Year of Resolving Cosmology

A Year of Resolving Cosmology

31/12/2003

The SDSS 3D Universe Map

The SDSS 3D Universe Map

28/10/2003

Zooming in on the First Stars

Zooming in on the First Stars

10/06/2003

Universe Age from Microwave Background

Universe Age from Microwave Background

17/02/2003