The mine was chosen as the observatory's location so that the rock would shield the observatory from cosmic radiation.
The tower featured a belfry and observatory , topped with a cupola and a golden statue of an angel flying in a horizontal position!
The summit of dormant volcano Mauna Kea is home to the world's largest astronomical observatory and most powerful telescope.
From the observatory you can view Mt. Fuji and Tokyo Bay.
Shrubs could be cleared away from around the observatory , for example - and views could be created down to the river.
Accompanied by several other astronomers he established a temporary observatory on Pikes Peak, the summit of which is over 14,000 feet above sea level.
The Kushiro National Park, a beautiful 27,000 hectare marshland area with a well laid out observatory , was next on our itinerary.
He now had more time than before to devote to his study of astronomy, having an observatory in the rooms in which he lived in one of the towers in the town's fortifications.
An aquatic plant observatory was created, and a greenhouse was purchased for use as art classrooms.
In 1806 he accepted the post of assistant at the Lilienthal Observatory, a private observatory near Bremen.