http://book.klll.cc/ebooks/subject/9625.opds?sort_order=title 2025-08-11T21:45:38Z Books about Astronomy -- Early works to 1800 (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/subject/9625.opds?sort_order=release_date Sort by Release Date 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/subject/9625.opds?sort_order=downloads Sort by Popularity 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/60619.opds Astronomy Explained Upon Sir Isaac Newton's Principles James Ferguson 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/19103.opds 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 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/29436.opds Meinauer Naturlehre (German) 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/69983.opds original theory or new hypothesis of the universe Thomas Wright 2025-08-11T21:45:38Z https://book.klll.cc/ebooks/46036.opds sidereal messenger of Galileo Galilei : and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries Galileo Galilei and Johannes Kepler