Check out the main article:
Go Home with Goodies from the Exhibition
Write home to friends!
Share the great times you’re having in Vienna with postcards! The Japanese Aerospace Exploration Agency (JAXA) (0-26) and Australian Astronomy (0-17) have holographic ones. Also check out the offerings from the European Southern Observatory (ESO) (0-24), the Australian National University (ANU) (0-45), Royal Society Publishing (1-13) and the IAU 100th Exhibition (Level 1 foyer). Small informational cards at México (0-10), the CTAO (0-19), Green Bank Observatory (GBO) (0-29) and the IAU (0-40) can also be used as postcards as long as you keep your message brief.