Planck CMB (black background)

Planck CMB (black background)

Released

21/03/2013 12:00 pm

Copyright

ESA and the Planck Collaboration

Description

The anisotropies of the Cosmic microwave background (CMB) as observed by Planck. The CMB is a snapshot of the oldest light in our Universe, imprinted on the sky when the Universe was just 380 000 years old. It shows tiny temperature fluctuations that correspond to regions of slightly different densities, representing the seeds of all future structure: the stars and galaxies of today.

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