Introduction by Carl Sagan
* Carl Sagan writes the Introduction from Cornell University in Ithaca, New York.
* The Introduction begins with the observation that adults don't concern themselves with questions of how the universe works, but that children are interested in these questions.
* Adults often use religion to answer fundamental questions.
* The assumption that the universe must have an end, since it has a beginning, is based on human experiences.
* Physicists do not make assumptions about the universe based on human experience because the universe is too complex.
* Philosophers and scientists view the world very differently, but are concerned with the same fundamental questions.
* Stephen Hawking was inducted into the Royal Society of London in 1974 and has Lou Gehrig's disease.
Chapter 1 Our Picture of the Universe
* The universe has been looked at many different ways throughout history, and maybe one day our current views will be outdated.
* The Ancient...
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