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Name: Harry
Status: other
Grade: other
Location: NV
Country: N/A
Date: N/A
Question:
How do we know the number of the galaxy in our universe?

Replies:
Dear Harry,

Very good question. The answer; we do not. We really have no idea; and when people say there may be more galaxies in space than grains of sand on all the beaches of Earth, they may be right.

David H. Levy


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