Planisphere

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In astronomy, a planisphere () is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the visible stars for any time and date for a given latitude. It is an instrument to assist in learning how to recognize stars and constellations.

Excerpt from the Wikipedia article “Planisphere”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: anonymous Portuguese (1502), Public domain, via Wikimedia Commons.