http://www.gutenberg.org/ebooks/subject/9625.opds 2024-11-08T21:10:47Z Books about Astronomy -- Early works to 1800 (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/9625.opds?sort_order=title Sort Alphabetically by Title 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/9625.opds?sort_order=release_date Sort by Release Date 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/46036.opds The Sidereal Messenger of Galileo Galilei Galileo Galilei and Johannes Kepler 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/19103.opds The discovery of a world in the moone : or, A discovrse tending to prove that 'tis probable there may be another habitable world in that planet John Wilkins 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/60619.opds Astronomy Explained Upon Sir Isaac Newton's Principles James Ferguson 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/69983.opds An original theory or new hypothesis of the universe Thomas Wright 2024-11-08T21:10:47Z https://sendtokindle.compellingsciencefiction.com/ebooks/29436.opds Meinauer Naturlehre (German) 69 downloads