Planisphere facts for kids
In astronomy, a planisphere is a projection of the celestial sphere onto a plane. Because of the projection, certain parts of the celestial sphere cannot be shown. Hipparchus discovered that it was possible to do a projection which keeps the angles intact.
Images for kids
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Medieval planisphere,c.1000. National Library of Wales MS 735C, Aberystwyth.
See also
In Spanish: Planisferio celeste para niños
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Planisphere Facts for Kids. Kiddle Encyclopedia.