| Years |
|
Events |
| 1939 |
|
Corresponding member of the USSR Academy of Sciences |
| 1940 |
|
Member of the Communist Party of the Soviet Union (CPSU) |
| 1943 |
|
Full member (also Founding member) of the Armenian SSR Academy
of Sciences |
| 1944-1979 |
|
Member of the Editorial Board of the "Astronomicheski
Zhournal" of the USSR Acad. Sci. ("Soviet Astronomy", later
"Astronomy Reports") |
| 1946 |
|
Member of the International Astronomical Union (IAU) |
| 1947 |
|
Honorary member of the American Astronomical Society (AAS) |
| 1947-1972 |
|
Member of the Committee on Lenin and USSR State prizes in the
field of science and engineering at the USSR Council of Ministers |
| 1948- |
|
Member of the Central Committee of the Communist Party of the
Armenian SSR |
| 1953 |
|
Full member of the USSR Academy of Sciences |
| 1953 |
|
Honorary member of the Royal Astronomical Society (Great
Britain) |
| 1953 |
|
Corresponding member of the Royal Society (Academy of sciences)
of Belgium (Liege) |
| 1953 |
|
Member of the Astronomical Society of the Pacific (ASP) |
| 1955-1988 |
|
Member of the Presidium of the USSR Acad. Sci. |
| 1955 |
|
Member of the Council on the coordination of works of Academies
of Sciences of the Union Republics |
| 1956 |
|
Corresponding member of the Academy of Sciences of Austria |
| 1956 |
|
Member of the Committee on Lenin prizes |
| 1957 |
|
Corresponding member of the German Academy of Sciences in Berlin |
| 1957 |
|
Foreign honorary member of the American Academy of Arts and
Sciences (Boston) |
| 1958-1974 |
|
Corresponding member of the Academy of Sciences of France |
| 1959 |
|
Member of the USA National Academy of Sciences |
| 1959 |
|
Foreign member of the German Academy of Naturalists
("Leopoldina") in Halle (GDR) |
| 1959 |
|
Honorary member of the Royal Astronomical Society of Canada |
| 1967 |
|
Member of the Italian National Academy of Sciences "Dei
Lincei" |
| 1969 |
|
Honorary member of the London Royal Society (Great Britain
Academy of Sciences) |
| 1969 |
|
Honorary member of the Cambridge Philosophical Society (England) |
| 1969 |
|
Honorary member of the Society of Theoretical and Applied
Mechanics of Poland |
| 1970 |
|
Member of the Royal Netherlands Academy of Sciences |
| 1971 |
|
Member of the Royal Academy of Sciences of Denmark |
| 1971 |
|
Founding member and member of the Council of the USSR
Philosophical Society |
| 1972 |
|
Honorary member of the Azerbaijan SSR Acad. Sci. |
| 1973 |
|
Honorary member of the Royal Academy of Sciences of Sweden |
| 1973 |
|
Honorary member of the New-York Academy of Sciences |
| 1974 |
|
Foreign member of the Academy of Sciences of Bulgaria |
| 1974 |
|
Foreign member of the Cordoba (Argentina) Academy of Sciences |
| 1976 |
|
Foreign member of the Academy of Sciences of India |
| 1976- |
|
Member of the Editorial Board of the "Reports of the USSR
Academy of Sciences" |
| 1978 |
|
Honorary member of the Georgian SSR Academy of Sciences |
| 1978 |
|
Foreign member of the Academy of Sciences of Czechoslovakia |
| 1978 |
|
Corresponding member of the International Academy of
Astronautics |
| 1978 |
|
Foreign member (Associe etranger) of the Academy of Sciences of
France |
| 1979 |
|
Honorary member of the Academy of Sciences of Hungary |
| 1981-1991 |
|
Member of the Editorial Board of the international journal
“Vistas in Astronomy” (“Astronomy Prospects”, UK) |
| 1981-199? |
|
Member of the Editorial Board of the journal "Nauka v
SSSR" ("Science in the USSR") |
| 1983 |
|
Foreign member of the Academy of Sciences of Athens (Greece) |
| 1984 |
|
Foreign member of the Syrian Scientific Society (Academy of
sciences) |
| 1985 |
|
Honorary member of the Society of History of Science of Syria |
| 1992 |
|
Full member of the European Academy (London) |
| 1992 |
|
Full member of the Academy of Creation (Russia) |
| 1994 |
|
Honorary member of the Armenian Philosophical Academy |
| 1996 |
|
Member of the Euro-Asian Astronomical Society (EAAS) |
|
|
|
