BSL Astronomy – Planisphere

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Planisphere
In astronomy, a planisphere allows you to work out which bright stars
are in the night sky and where on any date
and at any time throughout the year.

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BSL Sign Languages
of planisphere

(BSL Version)


BSL Explanation
of planisphere

(BSL Version – Glossary of Astronomy)

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Glossary – Planisphere

  • A planisphere consists of a circular star chart attached at its centre to an opaque circular overlay that has a clear window or hole so that only a portion of the sky map will be visible in the window at any given time.
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