2 sentences with 'observatory'
Example sentences and phrases with the word observatory and other words derived from it.
See sentences with related words
• « The "discoverer of comets" spent his last twenty years at the head of an observatory through which he studied the moon. »
• « The Greeks were the first to have an astronomical observatory. It was - it is, as it still exists - the Tower of the Winds, and was first used around 100 BC by the Athenian astronomer Andronicus of Cyrrhus. »
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