August 2011
Beginner
256 pages
8h 15m
English
Content preview from The Manga Guide to the Universe
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Everything Started with the Big Bang 161
Everything Started with the Big Bang
So approximately when did the Big Bang occur?
Calculating backward using the velocity at which the universe is expand-
ing, it seems to have been about 13.7 billion years ago—plus or minus
about 1 billion years.
Wait a minute! What about the location?
Professor, where did the Big Bang occur?
What are you talking about? Since the “location” called space came into
being after the Big Bang, there couldn’t be any concept of “where” before
it occurred.
There was no
location?
This is hard to understand, isn’t it? An explosive phenomenon did not
occur somewhere in space...spac
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