Cosmic Background Explorer (COBE)

COBE

Cosmic Background Explorer (COBE)

The Cosmic Background Explorer (COBE) satellite began its mission to map energy leftover from the early Universe – known as cosmic microwave background radiation, or CMB – in 1989.

COBE found very subtle irregularities in the otherwise very uniform CMB, something predicted by theorists. COBE's findings are considered important evidence in support of the Big Bang theory.

The CMB was first discovered in the mid-1960s by Arno Penzias and Robert Wilson.

Image: An artist's conception of COBE (credit: NASA/COBE Science Team)

Watch and listen to clips from past programmes TV clips [3]

COBE

Introduction

A satellite finds important evidence supporting the Big Bang.

About Cosmic Background Explorer (COBE)

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