The Sidereal Messenger

The Sidereal Messenger

Galileus Galilei, italian physicist, mathematician, engineer, astronomer, and philosopher (1564-1642)


This ebook presents «The Sidereal Messenger», from Galileus Galilei. A dynamic table of contents enables to jump directly to the chapter selected.


Table of Contents

- About This Book

- Prefatory Note

- Introduction

- The Sidereal Messenger Of Galileo Galilei

- Dedication

- The Astronomical Messenger

- Introduction

- Galileo's Account Of The Invention Of His Telescope

- Galileo's First Observation With His Telescope

- Method Of Determining The Magnifying Power Of The Telescope

- Method Of Measuring Small Angular Distances Between Heavenly Bodies By The Size Of The Aperture Of The Telescope

- The Moon

- The Lunar Spots Are Suggested To Be Possibly Seas Bordered By Ranges Of Mountains

- Description Of A Lunar Crater, Perhaps Tycho

- Reasons For Believing That There Is A Difference Of Constitution In Various Parts Of The Moon's Surface

- Explanation Of The Eveness Of The Illuminated Part Of The Circumfrence Of The Moon's Orb By The Analogy Of Terrestrial Phenomena

- Calculation To Show That The Height Of Some Lunar Mountains Exceeds Four Italian Miles

- The Faint Illumination Of The Moon's Disc About New Moon Explained To Be Due To Earth Light

- Stars Their Appearance In The Telescope

- Footnotes