Using accessible language and vivid explanations, this book speaks directly to curious young minds gazing at the night sky. Chapter I focuses on the moon, addressing seemingly simple questions that unveil the fundamental logic of celestial mechanics. Chapter II embarks on a stargazing adventure, offering a concise explanation of the connection between the underlying causes of the celestial sphere’s rotation and what we observe, along with essential knowledge for observing the night sky from our planet. Chapter III tackles the apparent movements of the sun as seen from Earth, and explores its profound connection to humanity’s measurement of time and calendar.