observatorium di amerika serikat bahasa Inggris

• astronomical observatories in the united states

• observatorium:    observatory; observatories
• di:    about; at; at the; of which; on; there; where
• amerika:    america; american; americas; shreveport; grand
• amerika serikat:    united state of america; united states; united
• serikat:    union; united; syndicate; alinement; alignment;