Theofanis Matsopoulos member of Astro Tours Greece in European Southern Observatory Expedition – ESO’s Fulldome Specialists visit Chile

U.S. EMBASSY – Athens Science Festival 2019

We are greatly honoured from Ambassador Pyatt and NASA Astronaut Clayton C. Anderson presence and U.S. EMBASSY ATHENS support

https://twitter.com/USEmbassyAthens/status

National Observatory of Athens Event - Visitor Center in Penteli

Planetarium on the Go at National Observatory of Athens – Visitor Center in Penteli for the 150 years of Newall telescope 🔭