This book provides comprehensive insights into the field of astronomy. It attempts to understand the multiple branches that fall under this discipline and explains how such concepts have practical applications. Astronomy refers to the study of the chemistry, evolution and physical properties of natural satellites, stars, planets, galaxies, nebulae, moons, asteroids and comets, etc. Astronomy includes subjects like celestial navigation, calendar making, observational astronomy and also astrophysics, etc. Most of the topics introduced in this text cover new techniques and the applications of astronomy. While understanding the long-term perspectives of the topics, the book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. Through this book, we attempt to further enlighten the readers about the new concepts in this field.