Columbia subject headings:
Cosmology.
Outer space--Exploration--Russia (Federation)--Philosophy.
Philosophy, Russian.
Russia (Federation)--Civilization.
Harvard subject headings:
Cosmology.
Outer space--Exploration--Russia (Federation)--Philosophy.
Philosophy, Russian.
Russia (Federation)--Civilization.
Princeton subject headings:
Cosmology.
Outer space--Exploration--Russia (Federation)--Philosophy.
Philosophy, Russian.
Russia (Federation)--Civilization.