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