Learning the Sky

By: Stefan Seip


Region: Europe

Site: Stuttgart - Germany

Date: 2011

The first step in learning the night sky is to recognize the brighter constellations. The most common of way of learning this is with a simple planisphere; a star chart in the form of two adjustable disks that rotate on a common center. It can be adjusted to display the visible stars for any time and date. Astrolabe which was widely used by old-time astronomers in the history is a predecessor of the modern planisphere. Stefan Seip/

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