The starry sky is fascinating to everyone. Mankind has always been influenced by the sky; stories of the earth are, in a sense, stories of the sky.

This book will cover a wide range of topics that approach the unity of the earth and the sky from an astronomical standpoint, from the history of astronomy to practical celestial observation, from observation tools to casting a natal chart.

Now, let’s start getting to know the sky, which has guided humanity for millions of years, and turn our faces up to the sky.