Introduction to Astronomy

Contents

• Introductory Comments
• A Sense of Scale
  • Size. Answers ``How big is the Universe?'' using a scale model of solar system and galaxy.
  • Time. Answers ``How long has the Universe been around?'' using a compressed ``cosmic calendar.''
  • Review Questions
• Science in General Brief description of the scientific process of understanding the universe.
  • Scientific Models
  • A Definition of Scientific Truth
• Value of Astronomy in the Scientific Endeavor Extreme conditions of other places in the universe test our understanding of the fundamental laws of science.
• Astrology The difference between astroNOMY and astroLOGY.
  • History of Astrology
  • The Horoscope To predict your future or personality type, astrologers need to know your ``sign.''
  • Testing Astrology Can astrology correctly predict your future or your personality type?
  • Further Testing of Astrology
• Review Questions