This document provides a basic introduction to astrology, including its goals, definition, origins, and key concepts. It begins with an overview of astrology as the study of patterns and relationships between birth charts and cosmic objects like stars and planets. The document then discusses the birth of astrology among early civilizations and Ptolemy's influential work. It also outlines how to cast a horoscope and the variables and aspects considered, before concluding with an explanation of astrology's underlying concepts and tests.