Russia 🇷🇺 @Russia
#OTD in 1908, Viktor #Ambartsumian was born - the founder of the Soviet school of theoretical astrophysics. ✨He is famous for his theories concerning the evolution of stars & stellar systems. It was he who founded the Byurakan Observatory - a major astronomy centre. https://t.co/KKqz0vtMtB — PolitiTweet.org