Including tables of planetary hours, star charts and more, Simplified Scientific Astrology teaches readers how to read the stars and construct horoscopes using celestial diagrams. A horoscope is an astrological diagram representing the positions of the sun, moon, planets, astrological aspects and sensitive angles at the time of an event, such as the day of a person's birth. While many believe a horoscope is a small blurb you read in the Sunday newspaper, the art of drafting horoscopes involves tedious stargazing and map making.