Astronomy: Cosmology, Photometry, and Spectroscopy Explained (3 in 1)

This book contains 3 topics, all centered around astronomy:

1 - Cosmology: Welcome to a journey through the depths of space and time, a voyage into the heart of the cosmos, and an exploration of the most profound mysteries our universe holds. This is a book about cosmology-a science that unveils the grandeur of the universe, its history, its structure, and its deepest secrets. It's a journey through the vast expanses of space, where galaxies collide, stars are born and die, and black holes l...