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