Year in Review: Planck refines cosmic history

Satellite hints at slower expansion rate for universe

CHANGING TEMPS  A color-coded map shows fluctuations in microwave radiation temperature across the sky recorded by the Planck satellite. Noteworthy features include differences between hemispheres and a cold spot (circle at right).

ESA and the Planck Collaboration 

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Cosmology

From the Nature Index

Paid Content