A meeting “Non-Stable Universe: Energetic Resources, Activity Phenomena and Evolutionary Processes” dedicated to the 70th anniversary of Byurakan Astrophysical Observatory (BAO) will be held on 19-23 September 2016 in Yerevan and Byurakan, Armenia. We intend to invite a number of outstanding scientists, astronomers having tight relations to BAO, representatives of regional countries with an involvement of BAO traditional research areas related to instability phenomena in the Universe, both observational and theoretical.

BAO is famous for its studies related to activity phenomena and evolutionary processes in the Universe. BAO is also famous for its surveys, which also led to the discovery of many new non-stable objects (variable stars, active galaxies, etc.) to investigate the abovementioned phenomena and processes. Markarian Survey and other surveys are famous as well: Arakelian and Kazarian galaxies, Shahbazian compact groups, Parsamian cometary nebulae and other objects.

A number of important astronomical meetings have been organized in Armenia, mostly in the Byurakan Astrophysical Observatory (BAO): IAU Symposia: #29 in 1966 (Non-Stable Phenomena in Galaxies), #121 in 1986 (Observational Evidence of Activity in Galaxies), #137 in 1989 (Flare Stars in Star Clusters, Associations and Solar Vicinity), #194 in 1998 (Activity in Galaxies and Related Phenomena) and #304 in 2013 (Multiwavelength AGN Surveys and Studies), IAU Colloquium #184 in 2001 (AGN Surveys), as well as the all-European JENAM meeting in 2007. Moreover, the Byurakan International Summer Schools (BISS) are being organized since 2006, and four successful schools have been held in 2006, 2008, 2010 (combined with the 32th IAU ISYA), and 2012. The 5th one is being organized together with this symposium so that the students will also be able to attend the sessions.