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In the last post we considered how many stars were in the universe.

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There are 50 billion trillion of them.

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So the universe is very, very large.

But it is not infinite.

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Now…just  how far are the stars away from each other?

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For more use the DOOR.

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   [MORE]

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   This time we won’t use any numbers. We’ll build a model instead.

   Astronomers have figured out the average distance between two stars. This example uses this average.

   Suppose you stand in the middle of Los Angeles holding a grapefruit in your hand. How far away would your friend holding a grapefruit have to stand to model the distance between stars? Would you be close enough to see each other from a distance?

   No.

   You’d have to be standing somewhere in the middle of Peru in South America¹.

   Once again, the universe is very, very large.

   But it is not infinitely large.

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   ¹ The source for the detail here is Why the Universe Is the Way It Is, by astrophysicist Hugh Ross, Ph.D. (Baker. 2008).