Dustup emerges over gravitational waves discovery

Scrutiny of BICEP2’s evidence of inflation suggests signals could come from Milky Way dust

DUSTY DATA  The BICEP2 team used a map of the entire sky (left) to estimate the effect of galactic dust on their measurements. Princeton’s Raphael Flauger reconstructed the map from other sources and found the effects from dust may be much stronger (right) than the team had thought. The colors show the degree to which light from different parts of sky is polarized; red is stronger, blue is weaker. 

J.-P. Barnard/Planck Collaboration, R. Flauger

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