The Transylvania Times -

How To Make A Solar Eclipse Viewer For Aug. 21 - Brevard, NC


Last updated 8/15/2017 at 1:03pm

Ray Adams

Lebby Moran, Astronomer and Educator from PARI demonstrates during the Transylvania County Library's recently held workshop on how to build an eclipse viewer.

NASA provided the following information on how to build an Eclipse Cereal Box Viewer:

Materials needed:

A cereal box

Piece of heavy-duty foil

Piece of white cardboard cut to fit in the bottom of the cereal box (for easier viewing)

Paper to cover the cereal box

Markers/pictures used for the design of the box


Tape or glue


•Empty your cereal box, including the inner paper that held the cereal.

•Cut a white piece of cardboard that will fit snuggly in the bottom of the box, or secure it permanently by gluing it in place.

•Cut the top of the cereal box, removing both ends and leaving the center in tact.

•Put a piece of tape across the center of the top to securely hold it closed.

•Tape a piece of heavy duty foil or double a single layer for additional strength, covering one of the openings at the top of the cereal box.

•The other opening will remain open for viewing.

•Using a small nail (approximately 3mm in diameter) push a hole in the foil.

•The actual size is not a critical issue; you can experiment with different sizes and shapes.

•Cover the entire box with construction paper (any color), leaving the single viewing opening and the foil uncovered.

•The finished box should be held with the pin-hole side facing the sun. It may take a little practice pointing the box.

•With your back facing the sun, look through the viewing opening.

•A small image of the sun, about 1⁄2 cm in diameter can be seen projected on the white paper inside the box.



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