Astrolabe: Difference between revisions
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The '''astrolabe''' is an ancient astronomical calculator for determining time and the positions of the Sun and |
The '''astrolabe''' is an ancient [[astronomy|astronomical]] calculator for determining time and the positions of the [[Sun]] and [[star]]s. |
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There are several types of astrolabe including the planispheric astrolabe, on which the celestial sphere is projected onto the plane of the equator. |
There are several types of astrolabe including the planispheric astrolabe, on which the celestial sphere is projected onto the plane of the equator. |
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Astrolabes were typicaly made from brass with a diameter of around 15cm. |
Astrolabes were typicaly made from [[brass]] with a diameter of around 15cm. |
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http://www.astrolabes.org/fusweblg.gif |
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'''An astrolabe''' |
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Revision as of 11:47, 18 January 2004
The astrolabe is an ancient astronomical calculator for determining time and the positions of the Sun and stars.
There are several types of astrolabe including the planispheric astrolabe, on which the celestial sphere is projected onto the plane of the equator.
Astrolabes were typicaly made from brass with a diameter of around 15cm.
