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. Supernova Remnants: The X-ray Perspective
   Jacco Vink | arXiv, Published in 2011, 78 pages
2. Lectures on Black Holes, Topological Strings and Quantum Attractors
   Boris Pioline | arXiv, Published in 2007, 103 pages
3. The Fundamentals of Stellar Astrophysics
   George W. Collins, II | W H Freeman & Co, Published in 2003, 494 pages
4. An Exposition on Inflationary Cosmology
   Scott Watson | arXiv, Published in 2000, 93 pages
5. The Practical Astronomer
   Thomas Dick | Seeley, Burnside, and Seeley, Published in 1845, 588 pages
6. The Birth And Death Of The Sun
   George Gamow | Dover Publications, Published in 1940, 256 pages
7. Are We Alone?
   Gregg Easterbrook | The Atlantic Monthly, Published in 1988
8. Cosmology: Mankind's Grand Investigation
   Greg Bothun | Harcourt Brace College Publishers, Published in 1999, 129 pages
9. Images of the Solar Upper Atmosphere From SUMER on SOHO
   Uri Feldman, at al. | ESA Publications Division, Published in 2003, 209 pages
10. Planetary Theory
    Ernest Brown, Clarence Shook | Cambridge University Press, Published in 1933, 323 pages
11. Astronomy with an Opera-glass
    Garrett Putman Serviss | D. Appleton & co., Published in 1890, 154 pages
12. Basaltic Volcanism on the Terrestrial Planets
    | Pergamon Press, Published in 1981, 1286 pages
13. Black Holes
    P.K. Townsend | arXiv, Published in 1997, 145 pages
14. Lecture notes on the formation and early evolution of planetary systems
    Philip J. Armitage | arXiv, Published in 2010, 63 pages
15. The Elements of Theoretical and Descriptive Astronomy
    Charles J. White | J. Wiley, Published in 1909, 322 pages
16. Elementary Astronomy
    James N. Pierce | , Published in 2013, 134 pages
17. Cosmological Evolution of Galaxies
    Isaac Shlosman | arXiv, Published in 2012, 88 pages
18. Hours With A Three-Inch Telescope
    William Noble | Longmans, Green & Co., Published in 1887, 159 pages
19. Resources of Near-Earth Space
    J. S. Lewis, M. S. Matthews | University of Arizona Press, Published in 1993, 977 pages
20. Quantization in Astrophysics, Brownian Motion, and Supersymmetry
    F. Smarandache, V. Christianto | MathTiger, Published in 2007, 516 pages
21. General Astronomy
    | Wikibooks, Published in 2009
22. Radiative Processes in High Energy Astrophysics
    Gabriele Ghisellini | arXiv, Published in 2012, 157 pages
23. The Search for Extraterrestrial Intelligence, SETI
    Philip Morrison, John Billingham, John Wolfe | NASA, Published in 1979, 293 pages
24. Moon Trip: A Personal Account of the Apollo Program and its Science
    Elbert A. King | Lunar and Planetary Institute, Published in 1989, 162 pages
25. Astronomy of To-day
    Cecil Goodrich Julius Dolmage | Seeley and co., Published in 1910
26. The History of Astrometry
    Michael Perryman | arXiv, Published in 2012, 52 pages
27. Cosmic Rays and the Search for a Lorentz Invariance Violation
    Wolfgang Bietenholz | arXiv, Published in 2008, 81 pages
28. Origin of the Moon
    W. K. Hartmann, R. J. Phillips, G. J. Taylor | Lunar and Planetary Institute, Published in 1986, 781 pages
29. Dwarf-Galaxy Cosmology
    Regina Schulte-Ladbeck, at al. | Hindawi Publishing, Published in 2010, 238 pages
30. Hubble Space Telescope: Discoveries
    | NASA, Published in 2012, 128 pages
31. Evolution of the Solar System
    Hannes Alfven, Gustaf Arrhenius | NASA, Published in 1976
32. A practical guide to Basic Statistical Techniques for Data Analysis in Cosmology
    Licia Verde | arXiv, Published in 2008, 52 pages
33. Cluster Lenses
    Jean-Paul Kneib, Priyamvada Natarajan | arXiv, Published in 2012, 120 pages
34. Telescopic Work for Starlight Evenings
    William F. Denning | Taylor and Francis, Published in 1891, 372 pages
35. Cosmology: The Study of the Universe
    | NASA, Published in 2009, 38 pages
36. An Introduction to Galactic Chemical Evolution
    Nikos Prantzos | arXiv, Published in 2007, 46 pages
37. The Universe in a Helium Droplet
    Grigory E. Volovik | Oxford University Press, Published in 2003, 532 pages
38. The Astrobiology Primer: An Outline of General Knowledge
    Lucas J. Mix, at al. | arXiv, Published in 2006, 79 pages
39. Cosmology Primer
    Sean Carroll | preposterousuniverse.com, Published in 2012, 120 pages
40. A Briefer History of Time: From the Big Bang to the Big Mac
    Eric Schulman | St. Martin's Press, Published in 2004, 207 pages
41. Stellar Atmospheres
    J. B. Tatum | , Published in 2006
42. Cosmic Structure, Averaging and Dark Energy
    David L. Wiltshire | arXiv, Published in 2013, 55 pages
43. Advanced Topics in Cosmology: A Pedagogical Introduction
    T. Padmanabhan | arXiv, Published in 2006, 40 pages
44. Dense Matter in Compact Stars
    Andreas Schmitt | arXiv, Published in 2010, 146 pages
45. Galaxies and the Expanding Universe
    James Schombert | University of Oregon, Published in 2008
46. From Cosmic Birth to Living Earths: The Future of UVOIR Space Astronomy
    Julianne Dalcanton, et al. | arXiv, Published in 2015, 176 pages
47. An Introduction to Astronomy
    Forest Ray Moulton | The MacMillan Company, Published in 1916, 577 pages
48. Astronomical Discovery
    Herbert Hall Turner | E. Arnold, Published in 1904, 225 pages
49. Hubble 25: A Quarter-Century of Discovery with the Hubble Space Telescope
    Dylan Steele (ed.) | NASA, Published in 2015, 78 pages
50. Mercury
    F. Vilas, C. Chapman, M. Matthews | University of Arizona Press, Published in 1989, 794 pages
51. Traces of Catastrophe
    Bevan M French | Lunar and Planetary Institute, Published in 1998, 120 pages
52. Pioneers of Science
    Oliver Lodge | Macmillan and co, Published in 1905, 421 pages
53. General Astronomy
    Harold Spencer Jones | Edward Arnold and Company, Published in 1924, 392 pages
54. Large Scale Structure of the Universe
    Alison L. Coil | arXiv, Published in 2012, 43 pages
55. Stellar Superfluids
    Dany Page, et al. | arXiv, Published in 2013, 88 pages
56. High Performance Computing and Numerical Modelling
    Volker Springel | arXiv, Published in 2014, 108 pages
57. An Introduction to the Theory of Rotating Relativistic Stars
    Eric Gourgoulhon | arXiv, Published in 2010, 88 pages
58. Mars Science Laboratory
    | Wikipedia, Published in 2014
59. Magnetic Fields, Strings and Cosmology
    Massimo Giovannini | arXiv, Published in 2006, 76 pages
60. Inflation
    Marieke Postma | NIKHEF, Published in 2009, 53 pages
61. String Cosmology
    James M. Cline | arXiv, Published in 2007, 47 pages
62. Planetary Photometry
    Max Fairbairn | , Published in 2005
63. Encyclopedia of Astrophysics
    Søren Bertil F. Dorch | Scholarpedia, Published in 2009
64. The Beginning and the End: The Meaning of Life in a Cosmological Perspective
    Clement Vidal | arXiv, Published in 2013, 356 pages
65. Solar Neutrinos
    V. Antonelli, L. Miramonti, C. Pena-Garay, A. Serenelli | arXiv, Published in 2012, 51 pages
66. Practical Astronomy
    P. S. Michie, F. S. Harlow | John Wiley & Sons, Published in 1893, 246 pages
67. Star-Gazer's Hand-Book
    Henry William Elson | Sturgis & Walton, Published in 1910, 72 pages
68. Lopsided Spiral Galaxies
    Chanda J. Jog, Francoise Combes | arXiv, Published in 2008, 75 pages
69. Ultrahigh Energy Cosmic Rays: Facts, Myths, and Legends
    Luis Alfredo Anchordoqui | arXiv, Published in 2011, 92 pages
70. Recreations in Astronomy
    Henry White Warren | Project Gutenberg,
71. Supernovae
    | Wikipedia, Published in 2014
72. The Telescope
    Louis Bell | McGraw-Hill, Published in 1922, 294 pages
73. Big Bang Nucleosynthesis and Physics Beyond the Standard Model
    Subir Sarkar | arXiv, Published in 1996, 156 pages
74. The Beginning and Evolution of the Universe
    Bharat Ratra, Michael S. Vogeley | arXiv, Published in 2008, 69 pages
75. To See the Unseen: A History of Planetary Radar Astronomy
    Andrew J. Butrica | NASA History Division, Published in 1996, 301 pages
76. First Light
    Abraham Loeb | arXiv, Published in 2006, 157 pages
77. Archaeology, Anthropology, and Interstellar Communication
    Douglas A. Vakoch | NASA, Published in 2014, 330 pages
78. A Text-book of Astronomy
    George C. Comstock | D. Appleton and company, Published in 1901, 391 pages
79. Inflationary Cosmology and Structure Formation
    J. A. Peacock | arXiv, Published in 1996, 77 pages
80. Vision and Voyages for Planetary Science in the Decade 2013-2022
    | National Academy of Sciences, Published in 2011, 410 pages
81. Cosmology
    James Schombert | University of Oregon, Published in 2008
82. Mechanism of the Heavens
    Mary Somerville | J. Murray, Published in 1831, 710 pages
83. Introduction to Dark Matter Experiments
    R. W. Schnee | arXiv.org, Published in 2011, 64 pages
84. Special Functions: Fractional Calculus and the Pathway for Entropy
    Hans J. Haubold (ed.) | MDPI AG, Published in 2018, 306 pages
85. Voyager 1 Encounters Saturn
    | NASA, Published in 1980, 51 pages
86. Elements of Astrophysics
    Nick Kaiser | University of Hawaii, Published in 2002, 435 pages
87. Atlas of Peculiar Galaxies
    Halton C. Arp | California Institute of Technology, Published in 1966, 190 pages
88. Introduction to Non-Baryonic Dark Matter
    Paolo Gondolo | arXiv, Published in 2004, 51 pages
89. Lectures on Inflation and Cosmological Perturbations
    David Langlois | arXiv, Published in 2010, 56 pages
90. Space Nomads
    Leota Jean LaPaz, Lincoln LaPaz | Holiday House, Published in 1961, 199 pages
91. Astronomy
    Andrew Fraknoi, David Morrison, Sidney C. Wolff | Unglue.it, Published in 2016, 1200 pages
92. Astronomy Notes
    Nick Strobel | astronomynotes.com, Published in 2010
93. Advances in Modern Cosmology
    Adnan Ghribi | InTech, Published in 2011, 198 pages
94. Recent Developments in Gravitational Collapse and Spacetime Singularities
    Pankaj S. Joshi, Daniele Malafarina | arXiv, Published in 2012, 89 pages
95. The Formation and Evolution of the Solar System
    James Schombert | University of Oregon, Published in 2007
96. Introduction to Physical Astronomy
    Kenneth R. Koehler | University of Cincinnati, Published in 2010
97. Man's Place in the Universe
    Alfred R. Wallace | Chapman and Hall, Published in 1904, 330 pages
98. An Overview of the Solar System
    | Wikipedia, Published in 2013
99. Oulu Space Physics Textbook
    Reijo Rasinkangas | University of Oulu, Published in 2008
100. To a Rocky Moon: A Geologist's History of Lunar Exploration
     Don E. Wilhelms | University of Arizona Press, Published in 1993, 524 pages
101. Primer Of Celestial Navigation
     John Favill | Cornell Maritime Press, Published in 1944, 300 pages
102. Mathematical Problems Of Radiative Equilibrium
     Eberhard Hopf | Cambridge University Press, Published in 1934, 123 pages
103. Photographs of Nebulae and Clusters
     James Edward Keeler | University of California Publications, Published in 1908
104. The Astronomy of the Bible
     E. Walter Maunder | Richard Clay & Sons, Published in 1908
105. Plasma Physics of Extreme Astrophysical Environments
     Dmitri A. Uzdensky, Shane Rightley | arXiv, Published in 2014, 56 pages
106. Supernova Cosmology: Legacy and Future
     Ariel Goobar, Bruno Leibundgut | arXiv, Published in 2011, 62 pages
107. A New Astronomy
     David Peck Todd | American Book Company, Published in 1906, 437 pages
108. Introduction to relativistic astrophysics and cosmology through Maple
     V. L. Kalashnikov | arXiv, Published in 2001, 124 pages
109. Understanding Galaxy Formation and Evolution
     V. Avila-Reese | arXiv, Published in 2006, 50 pages
110. Astronomy for Amateurs
     Camille Flammarion | D. Appleton and Company, Published in 1910
111. Gravitational Wave Experiments and Early Universe Cosmology
     Michele Maggiore | arXiv, Published in 2000, 100 pages
112. Astronomical Image and Data Analysis
     J.-L. Starck, F. Murtagh | Springer, Published in 2006, 335 pages
113. The Shape of the Universe
     Gerd Pommerenke | viXra, Published in 2013, 321 pages
114. Cosmology for Particle Physicists
     U. A. Yajnik | arXiv, Published in 2008, 63 pages
115. Searching for Life Across Space and Time
     | The National Academies Press, Published in 2017, 133 pages
116. Why CMB physics?
     Massimo Giovannini | arXiv, Published in 2007, 179 pages
117. Observing the Sky from 40N
     Roberto Mura | Wikibooks, Published in 2010, 86 pages
118. The Cosmological Constant
     Sean M. Carroll | arXiv, Published in 2000, 50 pages
119. Cosmology and Astrophysics
     Juan Garcia-Bellido | arXiv.org, Published in 2005, 76 pages
120. Mag 7 Star Atlas Project
     Andrew L. Johnson | , Published in 2007, 21 pages
121. On the Origin (and Evolution) of Baryonic Galaxy Halos
     Duncan A. Forbes, Ericson D. Lopez | MDPI AG, Published in 2018, 232 pages
122. A Photographic Atlas of Rock Breakdown Features in Geomorphic Environments
     Mary Bourke, Heather Viles | Planetary Science Institute, Published in 2007, 88 pages
123. Gamma-Ray Bursts: Progress, Problems and Prospects
     Bing Zhang, Peter Meszaros | arXiv, Published in 2008, 87 pages
124. Chemistry in Protoplanetary Disks
     Thomas Henning, Dmitry Semenov | arXiv, Published in 2013, 84 pages
125. Views of the Solar System
     Calvin J. Hamilton | , Published in 2008
126. The Virial Theorem in Stellar Astrophysics
     George W. Collins, II | Pachart Pub. House, Published in 1978, 135 pages
127. Cosmic Journey: A History of Scientific Cosmology
     N. S. Hetherington, W. P. McCray | American Institute of Physics, Published in 2009
128. Dark Energy: Observational Evidence and Theoretical Models
     B. Novosyadlyj, V. Pelykh, Yu. Shtanov, A. Zhuk | Akademperiodyka, Published in 2013, 380 pages
129. Caldwell Catalogue
     | Wikipedia, Published in 2014
130. Textbook on Practical Astronomy
     George Leonard Hosmer | Wiley, Published in 1910, 252 pages
131. The Foundations of Celestial Mechanics
     George W. Collins, II | Pachart Pub House, Published in 2004, 145 pages
132. Voyager 1 and 2: Atlas of Six Saturnian Satellites
     Raymond M. Batson | NASA, Published in 1984, 175 pages
133. Gravitational Wave Detection by Interferometry
     Matthew Pitkin, Stuart Reid, Sheila Rowan, Jim Hough | arXiv, Published in 2011, 80 pages
134. Notes on Stellar Astrophysics
     James N. Pierce | Minnesota State University, Published in 2013, 299 pages
135. Handbook of Space Astronomy and Astrophysics
     Martin V. Zombeck | Cambridge University Press, Published in 2006, 780 pages
136. Astrochemistry: The Issue of Molecular Complexity in Astrophysical Environments
     M. De Becker | arXiv, Published in 2013, 62 pages
137. The First Stars
     Simon C. O. Glover | arXiv, Published in 2012, 72 pages
138. Planetary Rings
     Matthew S. Tiscareno | arXiv, Published in 2011, 82 pages
139. Primordial Magnetogenesis
     Alejandra Kandus, Kerstin E. Kunze, Christos G. Tsagas | arXiv, Published in 2011, 107 pages
140. The Star Splitters: The High Energy Astronomy Observatories
     Wallace H. Tucker | NASA History Office, Published in 1984, 182 pages
141. Black-Hole Phenomenology
     Neven Bilic | arXiv, Published in 2006, 58 pages
142. An Introduction to Cosmic Rays and Gamma-Ray Bursts
     A. De Rujula | arXiv, Published in 2007, 37 pages
143. Lunar Orbiter Photographic Atlas of the Moon
     D.E. Hughes, J.K. Bowker | Lunar and Planetary Institute, Published in 1971
144. The Complete Idiot's Guide to The Sun
     Jay M. Pasachoff | Alpha, Published in 2003, 350 pages
145. Massive Stars and their Supernovae
     F. Thielemann, R. Hirschi, M. Liebendorfer, R. Diehl | arXiv, Published in 2010, 81 pages
146. Protostars and Planets
     | Rice University, Published in 2015, 422 pages
147. History of Astronomy
     George Forbes | , Published in 1909
148. Amateur Telescope Making
     | Springfield Telescope Makers Inc, Published in 2018, 428 pages
149. Atomic and Molecular Processes in Astronomy and Planetary Science
     Geoffrey A. Blake | California Institute of Technology, Published in 2004
150. The world according to the Hubble Space Telescope
     Mario Livio | arXiv.org, Published in 2008, 112 pages
151. Lunar Stratigraphy and Sedimentology
     John Lindsay | Elsevier, Published in 1976, 311 pages
152. Cosmic Rays in Galactic and Extragalactic Magnetic Fields
     F. Aharonian, A. Bykov, E. Parizot, V. Ptuskin, A. Watson | arXiv, Published in 2011, 43 pages
153. Neutrinos and the Stars
     Georg Raffelt | arXiv, Published in 2012, 83 pages
154. Modified Gravity and Cosmology
     T. Clifton, P.G. Ferreira, A. Padilla, C. Skordis | arXiv, Published in 2012, 312 pages
155. Pioneer Saturn Encounter
     | NASA, Published in 1979, 45 pages
156. Gamma-Ray Bursts
     | Wikipedia, Published in 2014
157. Gravitational Waves: Sources, Detectors and Searches
     Keith Riles | arXiv, Published in 2012, 79 pages
158. Ekpyrotic and Cyclic Cosmology
     Jean-Luc Lehners | arXiv, Published in 2009, 79 pages
159. An Expanded View of the Universe
     | European Southern Observatory, Published in 2011, 54 pages
160. A Simple Guide to Backyard Astronomy
     Carol Beigel | , Published in 2008, 61 pages
161. The Story of Eclipses
     George F. Chambers | S. S. McClure Co., Published in 1909, 208 pages
162. Dynamics of the Universe in Problems
     Yu. L. Bolotin, et al. | UniverseInProblems.com, Published in 2013, 113 pages
163. Everything You Always Wanted To Know About The Cosmological Constant Problem
     Jerome Martin | arXiv, Published in 2012, 89 pages
164. Introduction to Millimeter/Sub-Millimeter Astronomy
     T. L. Wilson | arXiv, Published in 2009, 106 pages
165. Techniques of Radio Astronomy
     T. L. Wilson | arXiv, Published in 2011, 47 pages
166. Exoplanet Observing for Amateurs
     Bruce L. Gary | Reductionist Publications, Published in 2007, 170 pages
167. An Introduction to Quantum Cosmology
     D.L. Wiltshire | arXiv, Published in 2003, 60 pages
168. Observing the Sky from 30S
     Roberto Mura | Wikibooks, Published in 2010, 86 pages
169. Celestial Mechanics: Notes and Work
     J.D. Mireles James | Rutgers University, Published in 2007, 128 pages
170. A Primer for Black Hole Quantum Physics
     R. Brout, S. Massar, R. Parentani, P. Spindel | arXiv, Published in 2007, 178 pages
171. A Practical Introduction to Numerical Hydrodynamics
     Garrelt Mellema | Leiden University, Published in 2003, 124 pages
172. Multi-messenger Astronomy and Dark Matter
     Las Bergstrom | arXiv, Published in 2012, 105 pages
173. Advances in Global and Local Helioseismology: an Introductory Review
     Alexander G. Kosovichev | arXiv, Published in 2011, 86 pages
174. Habitable Planets for Man
     Stephen H. Dole | RAND Corporation, Published in 1964, 176 pages
175. Galaxy systems in the optical and infrared
     A. Biviano | arXiv, Published in 2008, 60 pages
176. Solar System
     | Wikipedia, Published in 2012, 646 pages
177. The Solar Magnetic Field
     Sami Solanki, Bernd Inhester, Manfred Schussler | arXiv, Published in 2010, 83 pages
178. High Energy Astrophysics
     Jonathan Katz | The Benjamin/Cummings Publishing, Published in 1986, 338 pages
179. Practical Astronomy
     George L. Hosmer | John Wiley and Sons Inc., Published in 1925, 314 pages
180. Great Astronomers
     Robert S. Ball | Isbister, Published in 1895, 392 pages
181. An Introduction into the Theory of Cosmological Structure Formation
     Christian Knobel | arXiv, Published in 2012, 102 pages
182. Applied Cosmography: A Pedagogical Review
     Yu. L. Bolotin, et al. | arXiv.org, Published in 2018, 66 pages
183. Guidebook to the Geology of Barringer Meteorite Crater, Arizona
     David A. Kring | Lunar and Planetary Institute, Published in 2007, 154 pages
184. Introduction to Cosmology
     A. D. Dolgov | arXiv, Published in 2009, 58 pages
185. Protoplanetary Disks and Their Evolution
     Jonathan P. Williams, Lucas A. Cieza | arXiv, Published in 2011, 65 pages
186. Trans-Neptunian Objects: An Overview
     | Wikipedia, Published in 2014
187. Mathematical Theories of Planetary Motions
     Otto Dziobek | The Register Pub. Co., Published in 1892, 314 pages
188. From Disks to Planets
     Andrew N. Youdin, Scott J. Kenyon | arXiv, Published in 2012, 70 pages
189. Observations of the High Redshift Universe
     Richard S. Ellis | arXiv, Published in 2007, 115 pages
190. Chondrules and their Origins
     Elbert A. King | The Lunar and Planetary Institute, Published in 1983, 377 pages
191. Mysteries of the Sun
     Ginger Butcher | NASA, Published in 2011, 20 pages
192. Practical Astronomy for Engineers
     Frederick Hanley Seares | Stephens, Published in 1909, 160 pages
193. Observatories in Space
     Catherine Turon | arXiv, Published in 2011, 50 pages
194. Observational Probes of Cosmic Acceleration
     David H. Weinberg, et al. | arXiv, Published in 2012, 253 pages
195. Inflation and String Theory
     Daniel Baumann, Liam McAllister | arXiv, Published in 2014, 349 pages
196. The Birth and Death of Stars
     James Schombert | University of Oregon, Published in 2008
197. A Review of the Universe: Structures, Evolutions, Observations, and Theories
     | universe-review.ca, Published in 2009
198. Lectures on Astronomy, Astrophysics, and Cosmology
     Luis A. Anchordoqui | arXiv, Published in 2007, 41 pages
199. Radiative Gas Dynamics
     David Weinberg | Ohio State University, Published in 2007
200. Celestial Navigation, Elementary Astronomy, Piloting
     Arturo Chiesa, Raffaele Chiesa | Sky and Sea Software, Published in 2010
201. Voyager Encounters Jupiter
     | National Aeronautics and Space Administration, Published in 1979, 48 pages
202. Astrodynamics: A Compendium of Orbitology
     | Wikipedia, Published in 2013, 334 pages
203. An Introduction to Celestial Mechanics
     Richard Fitzpatrick | The University of Texas at Austin, Published in 2011, 216 pages
204. Introduction to Cosmology
     David H Lyth | arXiv, Published in 1993, 53 pages
205. Sky Surveys
     S. G. Djorgovski, A.A. Mahabal, A.J. Drake, M.J. Graham, C. Donalek | arXiv, Published in 2012, 62 pages
206. Particle Physics and Inflationary Cosmology
     Andrei Linde | arXiv, Published in 2005, 270 pages
207. Voyage to Jupiter
     David Morrison, Jane Samz | NASA, Published in 1980, 218 pages
208. Superstring Cosmology
     James E. Lidsey, David Wands, E. J. Copeland | arXiv, Published in 2000, 161 pages
209. Cosmology
     V. A. Rubakov | arXiv.org, Published in 2018, 56 pages
210. Introductory Lectures on Quantum Cosmology
     J. J. Halliwell | arXiv, Published in 1990, 107 pages
211. Short History of Astronomy
     Arthur Berry | John Murray, Published in 1898, 439 pages
212. The Hubble Constant
     Neal Jackson | arXiv, Published in 2014, 48 pages
213. The Cosmic Web: Geometric Analysis
     Rien van de Weygaert, Willem Schaap | arXiv, Published in 2007, 129 pages
214. An introductory treatise on the lunar theory
     Ernest W Brown | Cambridge University Press, Published in 1896, 312 pages
215. Introduction to Supersymmetry: Astrophysical and Phenomenological Constraints
     Keith A. Olive | arXiv, Published in 1999, 67 pages
216. Curiosities of the Sky
     Garrett Putman Serviss | Harper & Brothers, Published in 1909, 300 pages
217. Introduction to Early Universe Cosmology
     Robert H. Brandenberger | arXiv, Published in 2011, 70 pages
218. Consolidated Lunar Atlas
     Gerald P. Kuiper, et al. | Lunar and Planetary Institute, Published in 1960
219. Elementary Mathematical Astronomy
     C. Barlow, G. Bryan | University Correspondence College Press, Published in 1893, 442 pages
220. Introduction to the Theory of Black Holes
     Gerard 't Hooft | Utrecht University, Published in 2009, 49 pages
221. The Galactic Habitable Zone I. Galactic Chemical Evolution
     G. Gonzalez, D. Brownlee, P. Ward | arXiv, Published in 2001, 57 pages
222. Through the Telescope
     James Baikie | Adam and Charles Black, Published in 1906, 303 pages
223. The Geology of the Terrestrial Planets
     Michael H. Carr | NASA, Published in 1984, 322 pages
224. Frequently Asked Questions about Calendars
     Claus Tøndering | , Published in 2008, 65 pages
225. TASI Lectures: Introduction to Cosmology
     Mark Trodden, Sean M. Carroll | arXiv, Published in 2004, 82 pages
226. Lecture Notes on High Energy Cosmic Rays
     M. Kachelriess | arXiv.org, Published in 2008, 82 pages
227. When Biospheres Collide: A History of NASA's Planetary Protection Programs
     Michael Meltzer | NASA, Published in 2011, 542 pages
228. The Fine-Tuning of the Universe for Intelligent Life
     Luke A. Barnes | arXiv, Published in 2011, 76 pages
229. A Guide To The Constellations
     Samuel G. Barton | McGraw-Hill, Published in 1928, 96 pages
230. Primordial Nucleosynthesis: from precision cosmology to fundamental physics
     F. Iocco, G. Mangano, G. Miele, O. Pisanti, P.D. Serpico | arXiv, Published in 2009, 148 pages
231. Spherical Astronomy
     F. Brünnow | Van Nostrand, Published in 1865, 559 pages
232. From Chaos to Consciousness: A Brief History of the Universe
     Mike Corwin | Bookboon, Published in 2015, 166 pages
233. An Introduction to Celestial Mechanics
     Forest Ray Moulton | The MacMillan Company, Published in 1914, 437 pages
234. Celestial Mechanics
     J. B. Tatum | , Published in 2008
235. A Handbook of Descriptive and Practical Astronomy
     George F. Chambers | Oxford At The Clarendon Press, Published in 1889, 756 pages
236. Planetary Science: A Lunar Perspective
     Stuart Ross Taylor | Lunar and Planetary Institute, Published in 1982
237. Cosmic Microwave Background Anisotropies up to Second Order
     Nicola Bartolo, Sabino Matarrese, Antonio Riotto | arXiv, Published in 2007, 53 pages
238. Cosmos and Culture: Cultural Evolution in a Cosmic Context
     Steven J. Dick, Mark L. Lupisella | NASA, Published in 2010, 612 pages
239. Particle Physics Aspects of Modern Cosmology
     Robert H. Brandenberger | arXiv, Published in 1997, 70 pages