Zimmerwald Observatory was created in 1956.
Zimmerwald's population is 870.
The area of Zimmerwald is 8,940,000.0 square meters.
Morris Observatory was created in 1973.
Macfarlane Observatory was created in 1757.
Moore Observatory was created in 1978.
Behlen Observatory was created in 1972.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Armagh Observatory was created in 1789.
RIT Observatory was created in 1992.
Kevola Observatory was created in 1963.