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