Messenger Issue 159

The Messenger is a quarterly journal presenting ESO's activities to the public. The highlights of this edition published in March 2015 include:

• SPHERE Science Verification
• The Return of the Mid-infrared to the VLT: News from the VISIR Upgrade
• An Unbiased Near-infrared Interferometric Survey for Hot Exozodiacal Dust
• An Astrophysical Laboratory: Understanding and Exploiting the Young Massive Cluster Westerlund 1
• The GIRAFFE Inner Bulge Survey (GIBS)

Download The Messenger in PDF format or visit The Messenger website to subscribe and receive a free printed copy.

This Messenger is not available for sale.