Welcome to Litsy!

Litsy is a place to share and discover your favorite books with your favorite people.

Litsy is available on the web, for iOS and Android.

It’s fun.  It’s simple.  It’s all about the book. Sign up and get a little Litsy.

Create Account

To respect member's privacy and keep things awesome, most of Litsy is hidden from Google. We let humans see and share pages, but not machines. Find out more.

This page is: Hidden

Trending Hashtags

#ChristmasCheer

30 users recently

#wintergames2024

51 users recently

#HolidayBookDragons

36 users recently

#Adventathon

20 users recently

#WinterGames

37 users recently

#XmasChaCha

30 users recently

Trending Books

Untitled

72 users recently

Most Wonderful Crime of the Year

Ally Carter

21 users recently

Mysteries of Udolpho

Ann Ward Radcliffe

5 users recently

Nancy Drew 14: The Whispering Statue

Carolyn Keene

14 users recently

Whiteout

Dhonielle Clayton, Nicola Yoon, Tiffany D Jackson, Angie Thomas, Nic Stone, Ashley Woodfolk

9 users recently

Astronomy 101: From the Sun and Moon to Wormholes and Warp Drive, Key Theories, Discoveries, and Facts about the Universe | Carolyn Collins Petersen

1 post | 1 read

Explore the curiosities of our galaxy! Too often, textbooks obscure the beauty and wonder of outer space with tedious discourse that even Galileo would oppose. Astronomy 101 cuts out the boring details and lengthy explanations, and instead, gives you a lesson in astronomy that keeps you engaged as you discover what's hidden beyond our starry sky. From the Big Bang and nebulae to the Milky Way and Sir Isaac Newton, this celestial primer is packed with hundreds of entertaining astronomy facts, charts, and photographs you won't be able to get anywhere else. So whether you're looking to unravel the mystery behind black holes, or just want to learn more about your favorite planets, Astronomy 101 has all the answers--even the ones you didn't know you were looking for.