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Free Astronomy Books

Free Astronomy Books

This is the updated list of astronomy books available for free download or online reading. These books and papers cover all the areas of astrophysics, cosmology, galactic and extragalactic astronomy, solar and stellar physics, celestial mechanics, planetary science, astrobiology, as well as some popular works. The books are made available free of charge to the reader by their authors or publishers. Here is a categorized directory of astronomy books. This page is updated daily.

  1. The Story of Eclipses
    | S. S. McClure Co., Published in , 208 pages
  2. The Hubble Constant
    | arXiv, Published in , 48 pages
  3. Practical Astronomy for Engineers
    | Stephens, Published in , 160 pages
  4. Introduction to Cosmology
    | arXiv, Published in , 53 pages
  5. Curiosities of the Sky
    | Harper & Brothers, Published in , 300 pages
  6. The Elements of Theoretical and Descriptive Astronomy
    | J. Wiley, Published in , 322 pages
  7. Observatories in Space
    | arXiv, Published in , 50 pages
  8. The Planet Mars: A History of Observation and Discovery
    | University of Arizona Press, Published in , 270 pages
  9. An Introduction to Quantum Cosmology
    | arXiv, Published in , 60 pages
  10. Lectures on Inflation and Cosmological Perturbations
    | arXiv, Published in , 56 pages
  11. Pioneers of Science
    | Macmillan and co, Published in , 421 pages
  12. Gravitational Waves: Sources, Detectors and Searches
    | arXiv, Published in , 79 pages
  13. The world according to the Hubble Space Telescope
    | arXiv.org, Published in , 112 pages
  14. From Disks to Planets
    | arXiv, Published in , 70 pages
  15. A Simple Guide to Backyard Astronomy
    | , Published in , 61 pages
  16. Primer Of Celestial Navigation
    | Cornell Maritime Press, Published in , 300 pages
  17. TASI Lectures: Introduction to Cosmology
    | arXiv, Published in , 82 pages
  18. Chondrules and their Origins
    | The Lunar and Planetary Institute, Published in , 377 pages
  19. Dense Matter in Compact Stars
    | arXiv, Published in , 146 pages
  20. Habitable Planets for Man
    | RAND Corporation, Published in , 176 pages
  21. Cosmic Structure, Averaging and Dark Energy
    | arXiv, Published in , 55 pages
  22. A Photographic Atlas of Rock Breakdown Features in Geomorphic Environments
    | Planetary Science Institute, Published in , 88 pages
  23. The Shape of the Universe
    | viXra, Published in , 321 pages
  24. Introduction to relativistic astrophysics and cosmology through Maple
    | arXiv, Published in , 124 pages
  25. Elements of Astrophysics
    | University of Hawaii, Published in , 435 pages
  26. Telescopic Work for Starlight Evenings
    | Taylor and Francis, Published in , 372 pages
  27. The Fine-Tuning of the Universe for Intelligent Life
    | arXiv, Published in , 76 pages
  28. The Astronomy of the Bible
    | Richard Clay & Sons, Published in
  29. Solar Neutrinos
    | arXiv, Published in , 51 pages
  30. Cosmology: Mankind's Grand Investigation
    | Harcourt Brace College Publishers, Published in , 129 pages
  31. Primordial Nucleosynthesis: from precision cosmology to fundamental physics
    | arXiv, Published in , 148 pages
  32. A Guide To The Constellations
    | McGraw-Hill, Published in , 96 pages
  33. Are We Alone?
    | The Atlantic Monthly, Published in
  34. Gravitational Wave Experiments and Early Universe Cosmology
    | arXiv, Published in , 100 pages
  35. Mathematical Problems Of Radiative Equilibrium
    | Cambridge University Press, Published in , 123 pages
  36. The History of Astrometry
    | arXiv, Published in , 52 pages
  37. Mechanism of the Heavens
    | J. Murray, Published in , 710 pages
  38. The Fundamentals of Stellar Astrophysics
    | W H Freeman & Co, Published in , 494 pages
  39. A Briefer History of Time: From the Big Bang to the Big Mac
    | St. Martin's Press, Published in , 207 pages
  40. Short History of Astronomy
    | John Murray, Published in , 439 pages
  41. Hours With A Three-Inch Telescope
    | Longmans, Green & Co., Published in , 159 pages
  42. On the Origin (and Evolution) of Baryonic Galaxy Halos
    | MDPI AG, Published in , 232 pages
  43. Observing the Sky from 30S
    | Wikibooks, Published in , 86 pages
  44. Understanding Galaxy Formation and Evolution
    | arXiv, Published in , 50 pages
  45. Special Functions: Fractional Calculus and the Pathway for Entropy
    | MDPI AG, Published in , 306 pages
  46. An Expanded View of the Universe
    | European Southern Observatory, Published in , 54 pages
  47. Ekpyrotic and Cyclic Cosmology
    | arXiv, Published in , 79 pages
  48. Frequently Asked Questions about Calendars
    | , Published in , 65 pages
  49. Traces of Catastrophe
    | Lunar and Planetary Institute, Published in , 120 pages
  50. A New Astronomy
    | American Book Company, Published in , 437 pages
  51. Particle Physics Aspects of Modern Cosmology
    | arXiv, Published in , 70 pages
  52. The Universe in a Helium Droplet
    | Oxford University Press, Published in , 532 pages
  53. General Astronomy
    | Edward Arnold and Company, Published in , 392 pages
  54. Great Astronomers
    | Isbister, Published in , 392 pages
  55. Galaxies and the Expanding Universe
    | University of Oregon, Published in
  56. Introduction to Cosmology
    | arXiv, Published in , 58 pages
  57. The Formation and Evolution of the Solar System
    | University of Oregon, Published in
  58. Textbook on Practical Astronomy
    | Wiley, Published in , 252 pages
  59. Archaeology, Anthropology, and Interstellar Communication
    | NASA, Published in , 330 pages
  60. Astronomical Discovery
    | E. Arnold, Published in , 225 pages
  61. Quantization in Astrophysics, Brownian Motion, and Supersymmetry
    | MathTiger, Published in , 516 pages
  62. Planetary Photometry
    | , Published in
  63. Magnetic Fields, Strings and Cosmology
    | arXiv, Published in , 76 pages
  64. Stellar Atmospheres
    | , Published in
  65. Modified Gravity and Cosmology
    | arXiv, Published in , 312 pages
  66. Voyager Encounters Jupiter
    | National Aeronautics and Space Administration, Published in , 48 pages
  67. The Search for Extraterrestrial Intelligence, SETI
    | NASA, Published in , 293 pages
  68. History of Astronomy
    | , Published in
  69. High Performance Computing and Numerical Modelling
    | arXiv, Published in , 108 pages
  70. Cosmological Evolution of Galaxies
    | arXiv, Published in , 88 pages
  71. Lectures on Astronomy, Astrophysics, and Cosmology
    | arXiv, Published in , 41 pages
  72. Observations of the High Redshift Universe
    | arXiv, Published in , 115 pages
  73. Voyager 1 and 2: Atlas of Six Saturnian Satellites
    | NASA, Published in , 175 pages
  74. Evolution of the Solar System
    | NASA, Published in
  75. Pioneer Saturn Encounter
    | NASA, Published in , 45 pages
  76. An Overview of the Solar System
    | Wikipedia, Published in
  77. Consolidated Lunar Atlas
    | Lunar and Planetary Institute, Published in
  78. Everything You Always Wanted To Know About The Cosmological Constant Problem
    | arXiv, Published in , 89 pages
  79. Introduction to Supersymmetry: Astrophysical and Phenomenological Constraints
    | arXiv, Published in , 67 pages
  80. Astronomy with an Opera-glass
    | D. Appleton & co., Published in , 154 pages
  81. Radiative Processes in High Energy Astrophysics
    | arXiv, Published in , 157 pages
  82. Large Scale Structure of the Universe
    | arXiv, Published in , 43 pages
  83. Cosmic Rays in Galactic and Extragalactic Magnetic Fields
    | arXiv, Published in , 43 pages
  84. Astronomy for Amateurs
    | D. Appleton and Company, Published in
  85. A Handbook of Descriptive and Practical Astronomy
    | Oxford At The Clarendon Press, Published in , 756 pages
  86. Solar System
    | Wikipedia, Published in , 646 pages
  87. Observational Probes of Cosmic Acceleration
    | arXiv, Published in , 253 pages
  88. The Beginning and the End: The Meaning of Life in a Cosmological Perspective
    | arXiv, Published in , 356 pages
  89. Images of the Solar Upper Atmosphere From SUMER on SOHO
    | ESA Publications Division, Published in , 209 pages
  90. Supernova Cosmology: Legacy and Future
    | arXiv, Published in , 62 pages
  91. From Chaos to Consciousness: A Brief History of the Universe
    | Bookboon, Published in , 166 pages
  92. An Exposition on Inflationary Cosmology
    | arXiv, Published in , 93 pages
  93. Lunar Orbiter Photographic Atlas of the Moon
    | Lunar and Planetary Institute, Published in
  94. Notes on Stellar Astrophysics
    | Minnesota State University, Published in , 299 pages
  95. Mercury
    | University of Arizona Press, Published in , 794 pages
  96. Astronomy
    | Unglue.it, Published in , 1200 pages
  97. Elementary Mathematical Astronomy
    | University Correspondence College Press, Published in , 442 pages
  98. Primordial Magnetogenesis
    | arXiv, Published in , 107 pages
  99. Introduction to Non-Baryonic Dark Matter
    | arXiv, Published in , 51 pages
  100. First Light
    | arXiv, Published in , 157 pages
  101. Amateur Telescope Making
    | Springfield Telescope Makers Inc, Published in , 428 pages
  102. The Beginning and Evolution of the Universe
    | arXiv, Published in , 69 pages
  103. A Practical Introduction to Numerical Hydrodynamics
    | Leiden University, Published in
  104. A Primer for Black Hole Quantum Physics
    | arXiv, Published in , 178 pages
  105. Astronomical Image and Data Analysis
    | Springer, Published in , 335 pages
  106. Cosmology
    | arXiv.org, Published in , 56 pages
  107. Dark Energy: Observational Evidence and Theoretical Models
    | Akademperiodyka, Published in , 380 pages
  108. Planetary Theory
    | Cambridge University Press, Published in , 323 pages
  109. A Review of the Universe: Structures, Evolutions, Observations, and Theories
    | universe-review.ca, Published in
  110. The Cosmic Web: Geometric Analysis
    | arXiv, Published in , 129 pages
  111. Cosmic Microwave Background Anisotropies up to Second Order
    | arXiv, Published in , 53 pages
  112. Mysteries of the Sun
    | NASA, Published in , 20 pages
  113. Plasma Physics of Extreme Astrophysical Environments
    | arXiv, Published in , 56 pages
  114. To a Rocky Moon: A Geologist's History of Lunar Exploration
    | University of Arizona Press, Published in , 524 pages
  115. Gravitational Wave Detection by Interferometry
    | arXiv, Published in , 80 pages
  116. Mag 7 Star Atlas Project
    | , Published in , 21 pages
  117. Neutrinos and the Stars
    | arXiv, Published in , 83 pages
  118. Caldwell Catalogue
    | Wikipedia, Published in
  119. Why CMB physics?
    | arXiv, Published in , 179 pages
  120. Multi-messenger Astronomy and Dark Matter
    | arXiv, Published in , 105 pages
  121. Introduction to Physical Astronomy
    | University of Cincinnati, Published in
  122. The Telescope
    | McGraw-Hill, Published in , 294 pages
  123. Introduction to the Theory of Black Holes
    | Utrecht University, Published in , 49 pages
  124. Galaxy systems in the optical and infrared
    | arXiv, Published in , 60 pages
  125. Exoplanet Observing for Amateurs
    | Reductionist Publications, Published in , 170 pages
  126. Lecture Notes on High Energy Cosmic Rays
    | arXiv.org, Published in , 82 pages
  127. Cosmology for Particle Physicists
    | arXiv, Published in , 63 pages
  128. String Cosmology
    | arXiv, Published in , 47 pages
  129. Oulu Space Physics Textbook
    | University of Oulu, Published in
  130. Celestial Navigation, Elementary Astronomy, Piloting
    | Sky and Sea Software, Published in
  131. To See the Unseen: A History of Planetary Radar Astronomy
    | NASA History Division, Published in , 301 pages
  132. Vision and Voyages for Planetary Science in the Decade 2013-2022
    | National Academy of Sciences, Published in , 410 pages
  133. Observing the Sky from 40N
    | Wikibooks, Published in , 86 pages
  134. Cosmology Primer
    | preposterousuniverse.com, Published in , 120 pages
  135. Atomic and Molecular Processes in Astronomy and Planetary Science
    | California Institute of Technology, Published in
  136. An Introduction to Cosmic Rays and Gamma-Ray Bursts
    | arXiv, Published in , 37 pages
  137. Cosmology and Astrophysics
    | arXiv.org, Published in , 76 pages
  138. An Introduction to Astronomy
    | The MacMillan Company, Published in , 577 pages
  139. Stellar Superfluids
    | arXiv, Published in , 88 pages
  140. Astronomy of To-day
    | Seeley and co., Published in
  141. Dynamics of the Universe in Problems
    | UniverseInProblems.com, Published in , 113 pages
  142. Hubble 25: A Quarter-Century of Discovery with the Hubble Space Telescope
    | NASA, Published in , 78 pages
  143. Planetary Rings
    | arXiv, Published in , 82 pages
  144. Trans-Neptunian Objects: An Overview
    | Wikipedia, Published in
  145. Atlas of Peculiar Galaxies
    | California Institute of Technology, Published in , 190 pages
  146. The Practical Astronomer
    | Seeley, Burnside, and Seeley, Published in , 588 pages
  147. Introductory Lectures on Quantum Cosmology
    | arXiv, Published in , 107 pages
  148. A Text-book of Astronomy
    | D. Appleton and company, Published in , 391 pages
  149. Photographs of Nebulae and Clusters
    | University of California Publications, Published in
  150. Resources of Near-Earth Space
    | University of Arizona Press, Published in , 977 pages
  151. Introduction to Early Universe Cosmology
    | arXiv, Published in , 70 pages
  152. An introductory treatise on the lunar theory
    | Cambridge University Press, Published in , 312 pages
  153. Lecture notes on the formation and early evolution of planetary systems
    | arXiv, Published in , 63 pages
  154. Through the Telescope
    | Adam and Charles Black, Published in , 303 pages
  155. Practical Astronomy
    | John Wiley & Sons, Published in , 246 pages
  156. The Birth and Death of Stars
    | University of Oregon, Published in
  157. Big Bang Nucleosynthesis and Physics Beyond the Standard Model
    | arXiv, Published in , 156 pages
  158. Protostars and Planets
    | Rice University, Published in , 422 pages
  159. The Geology of the Terrestrial Planets
    | NASA, Published in , 322 pages
  160. When Biospheres Collide: A History of NASA's Planetary Protection Programs
    | NASA, Published in , 542 pages
  161. Chemistry in Protoplanetary Disks
    | arXiv, Published in , 84 pages
  162. Basaltic Volcanism on the Terrestrial Planets
    | Pergamon Press, Published in , 1286 pages
  163. Views of the Solar System
    | , Published in
  164. Lopsided Spiral Galaxies
    | arXiv, Published in , 75 pages
  165. Inflation
    | NIKHEF, Published in , 53 pages
  166. From Cosmic Birth to Living Earths: The Future of UVOIR Space Astronomy
    | arXiv, Published in , 176 pages
  167. Introduction to Dark Matter Experiments
    | arXiv.org, Published in , 64 pages
  168. Cosmos and Culture: Cultural Evolution in a Cosmic Context
    | NASA, Published in , 612 pages
  169. Dwarf-Galaxy Cosmology
    | Hindawi Publishing, Published in , 238 pages
  170. Gamma-Ray Bursts: Progress, Problems and Prospects
    | arXiv, Published in , 87 pages
  171. Advanced Topics in Cosmology: A Pedagogical Introduction
    | arXiv, Published in , 40 pages
  172. Handbook of Space Astronomy and Astrophysics
    | Cambridge University Press, Published in , 780 pages
  173. Protoplanetary Disks and Their Evolution
    | arXiv, Published in , 65 pages
  174. Cosmic Rays and the Search for a Lorentz Invariance Violation
    | arXiv, Published in , 81 pages
  175. Space Nomads
    | Holiday House, Published in , 199 pages
  176. Origin of the Moon
    | Lunar and Planetary Institute, Published in , 781 pages
  177. Black-Hole Phenomenology
    | arXiv, Published in , 58 pages
  178. High Energy Astrophysics
    | The Benjamin/Cummings Publishing, Published in , 338 pages
  179. Sky Surveys
    | arXiv, Published in , 62 pages
  180. The Birth And Death Of The Sun
    | Dover Publications, Published in , 256 pages
  181. Moon Trip: A Personal Account of the Apollo Program and its Science
    | Lunar and Planetary Institute, Published in , 162 pages
  182. Superstring Cosmology
    | arXiv, Published in , 161 pages
  183. Mars Science Laboratory
    | Wikipedia, Published in
  184. Astronomy Notes
    | astronomynotes.com, Published in
  185. The Star Splitters: The High Energy Astronomy Observatories
    | NASA History Office, Published in , 182 pages
  186. Lunar Stratigraphy and Sedimentology
    | Elsevier, Published in , 311 pages
  187. Cosmology: The Study of the Universe
    | NASA, Published in , 38 pages
  188. The Solar Magnetic Field
    | arXiv, Published in , 83 pages
  189. An Introduction into the Theory of Cosmological Structure Formation
    | arXiv, Published in , 102 pages
  190. Recreations in Astronomy
    | Project Gutenberg,
  191. Man's Place in the Universe
    | Chapman and Hall, Published in , 330 pages
  192. Voyager 1 Encounters Saturn
    | NASA, Published in , 51 pages
  193. An Introduction to Galactic Chemical Evolution
    | arXiv, Published in , 46 pages
  194. The Astrobiology Primer: An Outline of General Knowledge
    | arXiv, Published in , 79 pages
  195. Celestial Mechanics
    | , Published in
  196. Inflationary Cosmology and Structure Formation
    | arXiv, Published in , 77 pages
  197. Searching for Life Across Space and Time
    | The National Academies Press, Published in , 133 pages
  198. An Introduction to Celestial Mechanics
    | The MacMillan Company, Published in , 437 pages
  199. General Astronomy
    | Wikibooks, Published in
  200. Astrodynamics: A Compendium of Orbitology
    | Wikipedia, Published in , 334 pages
  201. Cosmic Journey: A History of Scientific Cosmology
    | American Institute of Physics, Published in
  202. Cluster Lenses
    | arXiv, Published in , 120 pages
  203. An Introduction to Celestial Mechanics
    | The University of Texas at Austin, Published in , 216 pages
  204. Applied Cosmography: A Pedagogical Review
    | arXiv.org, Published in , 66 pages
  205. Advances in Modern Cosmology
    | InTech, Published in , 198 pages
  206. The Cosmological Constant
    | arXiv, Published in , 50 pages
  207. Spherical Astronomy
    | Van Nostrand, Published in , 559 pages
  208. The First Stars
    | arXiv, Published in , 72 pages
  209. Black Holes
    | arXiv, Published in , 145 pages
  210. Recent Developments in Gravitational Collapse and Spacetime Singularities
    | arXiv, Published in , 89 pages
  211. The Virial Theorem in Stellar Astrophysics
    | Pachart Pub. House, Published in , 135 pages
  212. Celestial Mechanics: Notes and Work
    | Rutgers University, Published in , 128 pages
  213. Supernova Remnants: The X-ray Perspective
    | arXiv, Published in , 78 pages
  214. Guide to Lunar Orbiter Photographs
    | NASA, Published in , 127 pages
  215. Guidebook to the Geology of Barringer Meteorite Crater, Arizona
    | Lunar and Planetary Institute, Published in , 154 pages
  216. Ultrahigh Energy Cosmic Rays: Facts, Myths, and Legends
    | arXiv, Published in , 92 pages
  217. Inflation and String Theory
    | arXiv, Published in , 349 pages
  218. Radiative Gas Dynamics
    | Ohio State University, Published in
  219. Gamma-Ray Bursts
    | Wikipedia, Published in
  220. Cosmology
    | University of Oregon, Published in
  221. Astrochemistry: The Issue of Molecular Complexity in Astrophysical Environments
    | arXiv, Published in , 62 pages
  222. Star-Gazer's Hand-Book
    | Sturgis & Walton, Published in , 72 pages
  223. Mathematical Theories of Planetary Motions
    | The Register Pub. Co., Published in , 314 pages
  224. The Complete Idiot's Guide to The Sun
    | Alpha, Published in , 350 pages
  225. Practical Astronomy
    | John Wiley and Sons Inc., Published in , 314 pages
  226. Lectures on Black Holes, Topological Strings and Quantum Attractors
    | arXiv, Published in , 103 pages
  227. The Galactic Habitable Zone I. Galactic Chemical Evolution
    | arXiv, Published in , 57 pages
  228. Massive Stars and their Supernovae
    | arXiv, Published in , 81 pages
  229. Planetary Science: A Lunar Perspective
    | Lunar and Planetary Institute, Published in
  230. Elementary Astronomy
    | , Published in , 134 pages
  231. Supernovae
    | Wikipedia, Published in
  232. Encyclopedia of Astrophysics
    | Scholarpedia, Published in
  233. Voyage to Jupiter
    | NASA, Published in , 218 pages
  234. An Introduction to the Theory of Rotating Relativistic Stars
    | arXiv, Published in , 88 pages
  235. Techniques of Radio Astronomy
    | arXiv, Published in , 47 pages
  236. The Foundations of Celestial Mechanics
    | Pachart Pub House, Published in , 145 pages
  237. A practical guide to Basic Statistical Techniques for Data Analysis in Cosmology
    | arXiv, Published in , 52 pages
  238. Hubble Space Telescope: Discoveries
    | NASA, Published in , 128 pages
  239. Particle Physics and Inflationary Cosmology
    | arXiv, Published in , 270 pages
  240. Advances in Global and Local Helioseismology: an Introductory Review
    | arXiv, Published in , 86 pages
  241. Introduction to Millimeter/Sub-Millimeter Astronomy
    | arXiv, Published in , 106 pages