Kelvin Hernandez 
Astronomy: The Universe, Solar System & Earth (A Beginner’s Guide to Telescopes, Eyepieces and Accessories for Visual Astronomy) [EPUB ebook] 

This e Book provides a highly visual introduction to some basic astronomy concepts that everyone should know, like explaining the phases of the moon and earth-based evidence of the heliocentric model. (See below for full contents.
This 2015 edition is in a print replica format, meaning that it works with pinch-and-zoom. Pinch the image to zoom, and use your finger to scroll. On smaller screens, it may read better in landscape mode. The original edition was published in 2012; the 2015 print replica format allows for pinch-and-zoom reading.

Here is a sample of what you’ll learn…

• Astronomy 101, the Nuts & Bolts of Astronomy.


• Cosmology and the Big Bang.


• Galaxies and the Gravitationally Bound Systems.


• Everything you need to know about Solar Systems and Planets.


• Solar Systems and Planets..


• Much, much more!

This volume of the project covers the front matter of the original book, consisting of a summary of the issues present in the field of Astronomy at the time, a study of the whole History of Astronomy, and a full Encyclopedia of notable Astronomers and Astrologers.