Welcome to Litsy!

This book on space teaches from the big bang, to the end of the universe with all major events, missions, and discoveries in between. It has high quality photos in many pars. It covers lots of astronomy theories and my favorite was Focault‘s Pendulum to describe how the solar system worked. Everything is in chronological order. I will provably revisit this book to review so that I can talk to friends about the universe.

I found an astronomy theory in this book that really impressed me. Focault‘s pendulum is a pendelum that represents Earth, it swings on a three dimensional plane. The Earth/ pendelum is spinning. The Earth orbits the sun. There is a good youtube video of this by a Dartmouth professor.