Messenger Issue 145

The Messenger is a quarterly journal presenting ESO's activities to the public. The highlights of this edition published in September 2011 include:

• How the TRAPPIST telescope has been helping the hunt for exoplanets.
• Plans for a new massive-multiplexed spectrograph for ESO.
• Learning some of the secrets of the outer Solar System, with a look into the tenuous atmospheres of Pluto and Triton.
• A study of Asymptotic Giant Branch stars using the Very Large Telescope Interferometer, which could also tell us about the future of our own Sun.
• A glimpse into the early universe with SINFONI surveys studying the growth of massive, distant galaxies.

This Messenger is not available for sale.