Making this pinhole planetarium will also help children in the Scouting movement earn their astronomy badge.
Alternatively, you can simply look into the tin can and see the constellation pattern. Note that for the purpose of this page, the focus is on planetariums that use a dome to ensure accuracy with the projection of the day or night sky.Ī very simple planetarium projector can be made using inexpensive materials such as a tin can and a torch to project the stars of a single constellation onto a flat surface such as a wall.
Planetariums that can be build at school or home can range from the very simple (a pinhole projector) through to ones that use a computer running free software and require a data projector.
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