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observatory
subjectfact 
observatoryis a kind of artifact2001-09-27 09:27:27.0
has definition a place on earth which has one or more telescopes2001-09-27 09:27:27.0
has telescope2001-09-27 09:27:27.0
has altitude2001-09-27 09:27:27.0
has location2001-09-27 09:27:28.0
has address2001-09-27 09:27:28.0
artifacthas creator2001-09-27 09:27:27.0
has creation date2001-09-27 09:27:27.0
has purpose2001-09-27 09:27:27.0
has owner2001-09-27 09:27:27.0
physical objecthas angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

Kinds of observatory :

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