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The Size of the Universe

The Size of the Universe

It takes light about 100,000 years just to cross our Galaxy. And the Universe contains about 100 billion Galaxies.

So it's huge, right?

Maybe, maybe not.

Suppose the speed of light was changed. So it took a second to cross our Galaxy. Then the Universe would be a much smaller place.

Content written and posted by Ken Abbott abbottsystems@gmail.com