Join a panel of experts in this informative Google Hangout discussing the 2016 Mercury transit, a rare astronomical event where Mercury passes across the face of the Sun. Learn about the significance of this occurrence, its frequency compared to Venus transits, and gain insights from specialists including David Rothery, Valentina Galluzzi, Johannes Benkhoff, and Jane MacArthur. Explore topics such as Mercury's atmosphere, orbit, and surface features, as well as past and future Mercury missions. Discover how to safely observe the transit, understand what to expect during the event, and learn about related phenomena like lunar eclipses and sunspots. Gain knowledge about Mercury's unique characteristics, including its insulation and the terminator of the Sun. Participate in the discussion by sharing your own Mercury transit experience using the hashtag #MercuryTransitSelfie.