The tool to know the size of the universe by comparing the size of things around us

(* Note) This tool works only on PC, not work on smartphones.

The world of stars when looking up at the night sky. The distance to these stars, or the size of the galaxy, can be more easily understood using a scale model. For example, if the sun is the size of an apple, we can understand these sizes by substituting to anything around us, and compairering with an apple.

So, using a scale model, I made a tool to understand the size from the micro world to the huge universe. Its name is "Cosmos Slide Rule".

How to use the "Cosmos Slide Rule", you can know the size of the universe by moving two symmetrical images up and down with facing each other at their scales.

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Please come here as well ⇒ Is there an end of the space? ,Are there aliens?, Where UFO come from? ( Buddhism sky origin theory)