The illustrated a brief history of time pdf download

The specific problem is: Wikipedia is not meant to give a chapter-by-chapter summary of the entire book’s the illustrated a brief history of time pdf download. The Illustrated A Brief History of Time has pictures to help explain its ideas. It was also updated because new information was found.

A Briefer History of Time is shorter than the first version and was also updated. This book is very popular and well-known. A picture of what Ptolemy thought about the location of the planets, stars, and sun. In this book, Hawking talks about many theories in physics.

In the first part of the book, Hawking talks about the history of physics. He made a planetary model that described Aristotle’s thinking. Ptolemy ideas about the position of the stars and sun was disproved in 1609. Hawkins describes the motion of planets moving around the sun and how gravity works between the planets and the sun. He also talks about the ideas of absolute rest and absolute position.

These ideas are about the thought that events stay in place over a period of time. This was found not to be true by Newton’s laws of gravity. However, scientists found a problem when they tried to say that light always traveled at the same speed. The top of the light cone tells where the light from the event will travel. The bottom tells where the light was in the past. The center of the light cone is the event. Besides light cones, Hawking also talks about how light can bend.

After talking about light, Hawking talks about time in Einstein’s theory of relativity. Einstein’s theory makes is that time will go by slower when something is near huge masses. However, when something is farther away from the mass, time will go by faster. The Big Bang is shown here.