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Spiral Galaxy

Hand held Plexiglass model of spiral galaxy.

What it shows:

Handy size model of a generic spiral galaxy to show salient features or to describe structure of the Milky Way

How it works:

The model is a 30cm diameter Plexiglass disc 1cm in thickness, with a Ping-pong ball stuck through the center to represent the nucleus. The spiral arms of the galaxy are sprayed on with white paint, and we've stuck on a "you are here" arrow pointing to the outer reaches of one of the spiral arms at the approximate position of the Sun in the...

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