An observatory is a room or location positioned to give a superior view of something. The word is generally used in connection with astronomy where an observatory is a building which houses a telescope and such apparatus as is required to view the planets and stars.
Those are the observatories.
The name of the observatory in Chicago is the Adler Planetarium.
Modra Observatory was created in 1988.
Manila Observatory was created in 1865.
Göttingen Observatory ended in 1984.
It isn't clear what you mean with "such".
The singular possessive form for the noun observatory is observatory's.Example: The observatory's admission is half price for children.
Those are the observatories.
At the Royal Observatory in Greenwich, England, which is located on the Prime Meridian.
The name of the observatory in Chicago is the Adler Planetarium.
No, Mount Wilson Observatory and Griffith Observatory are two distinct observatories in Los Angeles. Mount Wilson Observatory is located in the San Gabriel Mountains and is known for housing the Hooker Telescope, while Griffith Observatory is located in Griffith Park and is a popular public observatory with educational exhibits and planetarium shows.
The observatory is in Green Bank.
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.