# Mathematics: The New Golden Age by Keith Devlin

By Keith Devlin

This vigorous and entire new survey units out to teach simply how unsuitable those that imagine they can not get pleasure from arithmetic rather are. Dr. Devlin's tv appearances and renowned mother or father column have published his amazing reward for making tough issues superbly obtainable. during this publication he deals a glimpse of the intense vistas and weird universes unfolded by way of modern arithmetic.

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Your life is regulated by the cycles of the sky, and the most obvious cycle is that of the sun. Y 3-1 Cycles of the Sun Earth’s rotation on its axis causes the cycle of day and night, but it is its motion around the sun in its orbit that defines the year. Notice an important distinction. Rotation is the turning of a body on its axis, but revolution means the motion of a body ■ The Annual Motion of the Sun Even in the daytime, the sky is filled with stars, but the glare of sunlight fills Earth’s atmosphere with scattered light, and you can see only the brilliant sun.

How Do We Know? How does the scientific method give scientists a way to know about nature? Discussion Questions 1. Do you think you have a duty to know the astronomy described in this chapter? Can you think of ways this knowledge helps you enjoy a richer life and be a better citizen? 2. How is a statement in a political campaign speech different from a statement in a scientific discussion? Find examples in newspapers, magazines, and this book. Problems 1. The diameter of Earth is 7928 miles. What is its diameter in inches?

Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. 17 Zenith North celestial pole 1 South Earth tor ua eq The apparent pivot points are the north celestial pole and the south celestial pole located directly above Earth’s north and south poles. Halfway between the celestial poles lies the celestial equator. Earth’s rotation defines the directions you use every day.