Uncertainty in Faraday Map (IMAGE) Naval Research Laboratory Caption This image shows the uncertainty in the Faraday map. In the area of the celestial south pole, the measurement uncertainties are particularly high because of the low density of data points. Credit Max Planck Institute for Astrophysics Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.