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. Introductory Lectures on Quantum Cosmology
   J. J. Halliwell | arXiv, Published in 1990, 107 pages
2. General Astronomy
   Harold Spencer Jones | Edward Arnold and Company, Published in 1924, 392 pages
3. Views of the Solar System
   Calvin J. Hamilton | , Published in 2008
4. Cosmic Structure, Averaging and Dark Energy
   David L. Wiltshire | arXiv, Published in 2013, 55 pages
5. Lecture notes on the formation and early evolution of planetary systems
   Philip J. Armitage | arXiv, Published in 2010, 63 pages
6. Cosmic Rays in Galactic and Extragalactic Magnetic Fields
   F. Aharonian, A. Bykov, E. Parizot, V. Ptuskin, A. Watson | arXiv, Published in 2011, 43 pages
7. A Review of the Universe: Structures, Evolutions, Observations, and Theories
   | universe-review.ca, Published in 2009
8. Planetary Theory
   Ernest Brown, Clarence Shook | Cambridge University Press, Published in 1933, 323 pages
9. Lectures on Inflation and Cosmological Perturbations
   David Langlois | arXiv, Published in 2010, 56 pages
10. Cosmology Primer
    Sean Carroll | preposterousuniverse.com, Published in 2012, 120 pages
11. Astronomy for Amateurs
    Camille Flammarion | D. Appleton and Company, Published in 1910
12. The Telescope
    Louis Bell | McGraw-Hill, Published in 1922, 294 pages
13. Frequently Asked Questions about Calendars
    Claus Tøndering | , Published in 2008, 65 pages
14. An Introduction to Celestial Mechanics
    Richard Fitzpatrick | The University of Texas at Austin, Published in 2011, 216 pages
15. On the Origin (and Evolution) of Baryonic Galaxy Halos
    Duncan A. Forbes, Ericson D. Lopez | MDPI AG, Published in 2018, 232 pages
16. The Geology of the Terrestrial Planets
    Michael H. Carr | NASA, Published in 1984, 322 pages
17. Astronomy of To-day
    Cecil Goodrich Julius Dolmage | Seeley and co., Published in 1910
18. Vision and Voyages for Planetary Science in the Decade 2013-2022
    | National Academy of Sciences, Published in 2011, 410 pages
19. Cosmology
    V. A. Rubakov | arXiv.org, Published in 2018, 56 pages
20. When Biospheres Collide: A History of NASA's Planetary Protection Programs
    Michael Meltzer | NASA, Published in 2011, 542 pages
21. Voyager 1 and 2: Atlas of Six Saturnian Satellites
    Raymond M. Batson | NASA, Published in 1984, 175 pages
22. Planetary Rings
    Matthew S. Tiscareno | arXiv, Published in 2011, 82 pages
23. The Practical Astronomer
    Thomas Dick | Seeley, Burnside, and Seeley, Published in 1845, 588 pages
24. Pioneers of Science
    Oliver Lodge | Macmillan and co, Published in 1905, 421 pages
25. Primer Of Celestial Navigation
    John Favill | Cornell Maritime Press, Published in 1944, 300 pages
26. Supernova Remnants: The X-ray Perspective
    Jacco Vink | arXiv, Published in 2011, 78 pages
27. Traces of Catastrophe
    Bevan M French | Lunar and Planetary Institute, Published in 1998, 120 pages
28. An introductory treatise on the lunar theory
    Ernest W Brown | Cambridge University Press, Published in 1896, 312 pages
29. Planetary Science: A Lunar Perspective
    Stuart Ross Taylor | Lunar and Planetary Institute, Published in 1982
30. The First Stars
    Simon C. O. Glover | arXiv, Published in 2012, 72 pages
31. Practical Astronomy for Engineers
    Frederick Hanley Seares | Stephens, Published in 1909, 160 pages
32. Practical Astronomy
    George L. Hosmer | John Wiley and Sons Inc., Published in 1925, 314 pages
33. Galaxy systems in the optical and infrared
    A. Biviano | arXiv, Published in 2008, 60 pages
34. A Handbook of Descriptive and Practical Astronomy
    George F. Chambers | Oxford At The Clarendon Press, Published in 1889, 756 pages
35. A New Astronomy
    David Peck Todd | American Book Company, Published in 1906, 437 pages
36. An Introduction to Astronomy
    Forest Ray Moulton | The MacMillan Company, Published in 1916, 577 pages
37. The world according to the Hubble Space Telescope
    Mario Livio | arXiv.org, Published in 2008, 112 pages
38. Consolidated Lunar Atlas
    Gerald P. Kuiper, et al. | Lunar and Planetary Institute, Published in 1960
39. A Primer for Black Hole Quantum Physics
    R. Brout, S. Massar, R. Parentani, P. Spindel | arXiv, Published in 2007, 178 pages
40. Cosmic Microwave Background Anisotropies up to Second Order
    Nicola Bartolo, Sabino Matarrese, Antonio Riotto | arXiv, Published in 2007, 53 pages
41. Oulu Space Physics Textbook
    Reijo Rasinkangas | University of Oulu, Published in 2008
42. Recent Developments in Gravitational Collapse and Spacetime Singularities
    Pankaj S. Joshi, Daniele Malafarina | arXiv, Published in 2012, 89 pages
43. Photographs of Nebulae and Clusters
    James Edward Keeler | University of California Publications, Published in 1908
44. History of Astronomy
    George Forbes | , Published in 1909
45. The Cosmic Web: Geometric Analysis
    Rien van de Weygaert, Willem Schaap | arXiv, Published in 2007, 129 pages
46. Great Astronomers
    Robert S. Ball | Isbister, Published in 1895, 392 pages
47. Atomic and Molecular Processes in Astronomy and Planetary Science
    Geoffrey A. Blake | California Institute of Technology, Published in 2004
48. Neutrinos and the Stars
    Georg Raffelt | arXiv, Published in 2012, 83 pages
49. Origin of the Moon
    W. K. Hartmann, R. J. Phillips, G. J. Taylor | Lunar and Planetary Institute, Published in 1986, 781 pages
50. An Introduction to Cosmic Rays and Gamma-Ray Bursts
    A. De Rujula | arXiv, Published in 2007, 37 pages
51. Magnetic Fields, Strings and Cosmology
    Massimo Giovannini | arXiv, Published in 2006, 76 pages
52. Habitable Planets for Man
    Stephen H. Dole | RAND Corporation, Published in 1964, 176 pages
53. The Complete Idiot's Guide to The Sun
    Jay M. Pasachoff | Alpha, Published in 2003, 350 pages
54. Everything You Always Wanted To Know About The Cosmological Constant Problem
    Jerome Martin | arXiv, Published in 2012, 89 pages
55. Radiative Processes in High Energy Astrophysics
    Gabriele Ghisellini | arXiv, Published in 2012, 157 pages
56. Hubble 25: A Quarter-Century of Discovery with the Hubble Space Telescope
    Dylan Steele (ed.) | NASA, Published in 2015, 78 pages
57. Amateur Telescope Making
    | Springfield Telescope Makers Inc, Published in 2018, 428 pages
58. Cluster Lenses
    Jean-Paul Kneib, Priyamvada Natarajan | arXiv, Published in 2012, 120 pages
59. An Introduction to Quantum Cosmology
    D.L. Wiltshire | arXiv, Published in 2003, 60 pages
60. Guidebook to the Geology of Barringer Meteorite Crater, Arizona
    David A. Kring | Lunar and Planetary Institute, Published in 2007, 154 pages
61. The Cosmological Constant
    Sean M. Carroll | arXiv, Published in 2000, 50 pages
62. Inflation
    Marieke Postma | NIKHEF, Published in 2009, 53 pages
63. Basaltic Volcanism on the Terrestrial Planets
    | Pergamon Press, Published in 1981, 1286 pages
64. From Chaos to Consciousness: A Brief History of the Universe
    Mike Corwin | Bookboon, Published in 2015, 166 pages
65. Pioneer Saturn Encounter
    | NASA, Published in 1979, 45 pages
66. Cosmic Journey: A History of Scientific Cosmology
    N. S. Hetherington, W. P. McCray | American Institute of Physics, Published in 2009
67. Dynamics of the Universe in Problems
    Yu. L. Bolotin, et al. | UniverseInProblems.com, Published in 2013, 113 pages
68. Elementary Astronomy
    James N. Pierce | , Published in 2013, 134 pages
69. Observing the Sky from 40N
    Roberto Mura | Wikibooks, Published in 2010, 86 pages
70. Plasma Physics of Extreme Astrophysical Environments
    Dmitri A. Uzdensky, Shane Rightley | arXiv, Published in 2014, 56 pages
71. Are We Alone?
    Gregg Easterbrook | The Atlantic Monthly, Published in 1988
72. Spherical Astronomy
    F. Brünnow | Van Nostrand, Published in 1865, 559 pages
73. Superstring Cosmology
    James E. Lidsey, David Wands, E. J. Copeland | arXiv, Published in 2000, 161 pages
74. Introduction to Millimeter/Sub-Millimeter Astronomy
    T. L. Wilson | arXiv, Published in 2009, 106 pages
75. Cosmological Evolution of Galaxies
    Isaac Shlosman | arXiv, Published in 2012, 88 pages
76. Textbook on Practical Astronomy
    George Leonard Hosmer | Wiley, Published in 1910, 252 pages
77. Voyager Encounters Jupiter
    | National Aeronautics and Space Administration, Published in 1979, 48 pages
78. Astrochemistry: The Issue of Molecular Complexity in Astrophysical Environments
    M. De Becker | arXiv, Published in 2013, 62 pages
79. An Introduction to Galactic Chemical Evolution
    Nikos Prantzos | arXiv, Published in 2007, 46 pages
80. Advances in Global and Local Helioseismology: an Introductory Review
    Alexander G. Kosovichev | arXiv, Published in 2011, 86 pages
81. Introduction to Cosmology
    A. D. Dolgov | arXiv, Published in 2009, 58 pages
82. Black-Hole Phenomenology
    Neven Bilic | arXiv, Published in 2006, 58 pages
83. Mathematical Theories of Planetary Motions
    Otto Dziobek | The Register Pub. Co., Published in 1892, 314 pages
84. Cosmology: The Study of the Universe
    | NASA, Published in 2009, 38 pages
85. A Simple Guide to Backyard Astronomy
    Carol Beigel | , Published in 2008, 61 pages
86. An Introduction into the Theory of Cosmological Structure Formation
    Christian Knobel | arXiv, Published in 2012, 102 pages
87. To a Rocky Moon: A Geologist's History of Lunar Exploration
    Don E. Wilhelms | University of Arizona Press, Published in 1993, 524 pages
88. Radiative Gas Dynamics
    David Weinberg | Ohio State University, Published in 2007
89. String Cosmology
    James M. Cline | arXiv, Published in 2007, 47 pages
90. Introduction to the Theory of Black Holes
    Gerard 't Hooft | Utrecht University, Published in 2009, 49 pages
91. General Astronomy
    | Wikibooks, Published in 2009
92. Inflationary Cosmology and Structure Formation
    J. A. Peacock | arXiv, Published in 1996, 77 pages
93. Sky Surveys
    S. G. Djorgovski, A.A. Mahabal, A.J. Drake, M.J. Graham, C. Donalek | arXiv, Published in 2012, 62 pages
94. Lopsided Spiral Galaxies
    Chanda J. Jog, Francoise Combes | arXiv, Published in 2008, 75 pages
95. From Cosmic Birth to Living Earths: The Future of UVOIR Space Astronomy
    Julianne Dalcanton, et al. | arXiv, Published in 2015, 176 pages
96. The Beginning and the End: The Meaning of Life in a Cosmological Perspective
    Clement Vidal | arXiv, Published in 2013, 356 pages
97. Gamma-Ray Bursts: Progress, Problems and Prospects
    Bing Zhang, Peter Meszaros | arXiv, Published in 2008, 87 pages
98. Ekpyrotic and Cyclic Cosmology
    Jean-Luc Lehners | arXiv, Published in 2009, 79 pages
99. From Disks to Planets
    Andrew N. Youdin, Scott J. Kenyon | arXiv, Published in 2012, 70 pages
100. Lectures on Astronomy, Astrophysics, and Cosmology
     Luis A. Anchordoqui | arXiv, Published in 2007, 41 pages
101. Introduction to Cosmology
     David H Lyth | arXiv, Published in 1993, 53 pages
102. Mathematical Problems Of Radiative Equilibrium
     Eberhard Hopf | Cambridge University Press, Published in 1934, 123 pages
103. Solar Neutrinos
     V. Antonelli, L. Miramonti, C. Pena-Garay, A. Serenelli | arXiv, Published in 2012, 51 pages
104. Space Nomads
     Leota Jean LaPaz, Lincoln LaPaz | Holiday House, Published in 1961, 199 pages
105. Handbook of Space Astronomy and Astrophysics
     Martin V. Zombeck | Cambridge University Press, Published in 2006, 780 pages
106. The Elements of Theoretical and Descriptive Astronomy
     Charles J. White | J. Wiley, Published in 1909, 322 pages
107. Protostars and Planets
     | Rice University, Published in 2015, 422 pages
108. Galaxies and the Expanding Universe
     James Schombert | University of Oregon, Published in 2008
109. Modified Gravity and Cosmology
     T. Clifton, P.G. Ferreira, A. Padilla, C. Skordis | arXiv, Published in 2012, 312 pages
110. A Guide To The Constellations
     Samuel G. Barton | McGraw-Hill, Published in 1928, 96 pages
111. An Exposition on Inflationary Cosmology
     Scott Watson | arXiv, Published in 2000, 93 pages
112. Applied Cosmography: A Pedagogical Review
     Yu. L. Bolotin, et al. | arXiv.org, Published in 2018, 66 pages
113. Celestial Mechanics
     J. B. Tatum | , Published in 2008
114. Notes on Stellar Astrophysics
     James N. Pierce | Minnesota State University, Published in 2013, 299 pages
115. Mysteries of the Sun
     Ginger Butcher | NASA, Published in 2011, 20 pages
116. Quantization in Astrophysics, Brownian Motion, and Supersymmetry
     F. Smarandache, V. Christianto | MathTiger, Published in 2007, 516 pages
117. The Beginning and Evolution of the Universe
     Bharat Ratra, Michael S. Vogeley | arXiv, Published in 2008, 69 pages
118. Astronomy Notes
     Nick Strobel | astronomynotes.com, Published in 2010
119. Introduction to Dark Matter Experiments
     R. W. Schnee | arXiv.org, Published in 2011, 64 pages
120. Recreations in Astronomy
     Henry White Warren | Project Gutenberg,
121. Chemistry in Protoplanetary Disks
     Thomas Henning, Dmitry Semenov | arXiv, Published in 2013, 84 pages
122. Advanced Topics in Cosmology: A Pedagogical Introduction
     T. Padmanabhan | arXiv, Published in 2006, 40 pages
123. Planetary Photometry
     Max Fairbairn | , Published in 2005
124. Telescopic Work for Starlight Evenings
     William F. Denning | Taylor and Francis, Published in 1891, 372 pages
125. The Astronomy of the Bible
     E. Walter Maunder | Richard Clay & Sons, Published in 1908
126. The History of Astrometry
     Michael Perryman | arXiv, Published in 2012, 52 pages
127. Introduction to Non-Baryonic Dark Matter
     Paolo Gondolo | arXiv, Published in 2004, 51 pages
128. Elements of Astrophysics
     Nick Kaiser | University of Hawaii, Published in 2002, 435 pages
129. Black Holes
     P.K. Townsend | arXiv, Published in 1997, 145 pages
130. Cosmic Rays and the Search for a Lorentz Invariance Violation
     Wolfgang Bietenholz | arXiv, Published in 2008, 81 pages
131. The Story of Eclipses
     George F. Chambers | S. S. McClure Co., Published in 1909, 208 pages
132. TASI Lectures: Introduction to Cosmology
     Mark Trodden, Sean M. Carroll | arXiv, Published in 2004, 82 pages
133. Cosmology: Mankind's Grand Investigation
     Greg Bothun | Harcourt Brace College Publishers, Published in 1999, 129 pages
134. Cosmology
     James Schombert | University of Oregon, Published in 2008
135. The Solar Magnetic Field
     Sami Solanki, Bernd Inhester, Manfred Schussler | arXiv, Published in 2010, 83 pages
136. The Shape of the Universe
     Gerd Pommerenke | viXra, Published in 2013, 321 pages
137. Why CMB physics?
     Massimo Giovannini | arXiv, Published in 2007, 179 pages
138. Primordial Magnetogenesis
     Alejandra Kandus, Kerstin E. Kunze, Christos G. Tsagas | arXiv, Published in 2011, 107 pages
139. Celestial Mechanics: Notes and Work
     J.D. Mireles James | Rutgers University, Published in 2007, 128 pages
140. Large Scale Structure of the Universe
     Alison L. Coil | arXiv, Published in 2012, 43 pages
141. Mag 7 Star Atlas Project
     Andrew L. Johnson | , Published in 2007, 21 pages
142. 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
143. Stellar Superfluids
     Dany Page, et al. | arXiv, Published in 2013, 88 pages
144. Inflation and String Theory
     Daniel Baumann, Liam McAllister | arXiv, Published in 2014, 349 pages
145. Practical Astronomy
     P. S. Michie, F. S. Harlow | John Wiley & Sons, Published in 1893, 246 pages
146. Searching for Life Across Space and Time
     | The National Academies Press, Published in 2017, 133 pages
147. Massive Stars and their Supernovae
     F. Thielemann, R. Hirschi, M. Liebendorfer, R. Diehl | arXiv, Published in 2010, 81 pages
148. The Foundations of Celestial Mechanics
     George W. Collins, II | Pachart Pub House, Published in 2004, 145 pages
149. A Practical Introduction to Numerical Hydrodynamics
     Garrelt Mellema | Leiden University, Published in 2003, 124 pages
150. Gravitational Wave Detection by Interferometry
     Matthew Pitkin, Stuart Reid, Sheila Rowan, Jim Hough | arXiv, Published in 2011, 80 pages
151. Astronomical Discovery
     Herbert Hall Turner | E. Arnold, Published in 1904, 225 pages
152. The Hubble Constant
     Neal Jackson | arXiv, Published in 2014, 48 pages
153. Elementary Mathematical Astronomy
     C. Barlow, G. Bryan | University Correspondence College Press, Published in 1893, 442 pages
154. Stellar Atmospheres
     J. B. Tatum | , Published in 2006
155. Lunar Stratigraphy and Sedimentology
     John Lindsay | Elsevier, Published in 1976, 311 pages
156. Dark Energy: Observational Evidence and Theoretical Models
     B. Novosyadlyj, V. Pelykh, Yu. Shtanov, A. Zhuk | Akademperiodyka, Published in 2013, 380 pages
157. Hours With A Three-Inch Telescope
     William Noble | Longmans, Green & Co., Published in 1887, 159 pages
158. The Search for Extraterrestrial Intelligence, SETI
     Philip Morrison, John Billingham, John Wolfe | NASA, Published in 1979, 293 pages
159. Observational Probes of Cosmic Acceleration
     David H. Weinberg, et al. | arXiv, Published in 2012, 253 pages
160. Lectures on Black Holes, Topological Strings and Quantum Attractors
     Boris Pioline | arXiv, Published in 2007, 103 pages
161. Lunar Orbiter Photographic Atlas of the Moon
     D.E. Hughes, J.K. Bowker | Lunar and Planetary Institute, Published in 1971
162. High Energy Astrophysics
     Jonathan Katz | The Benjamin/Cummings Publishing, Published in 1986, 338 pages
163. High Performance Computing and Numerical Modelling
     Volker Springel | arXiv, Published in 2014, 108 pages
164. Gravitational Wave Experiments and Early Universe Cosmology
     Michele Maggiore | arXiv, Published in 2000, 100 pages
165. The Universe in a Helium Droplet
     Grigory E. Volovik | Oxford University Press, Published in 2003, 532 pages
166. The Star Splitters: The High Energy Astronomy Observatories
     Wallace H. Tucker | NASA History Office, Published in 1984, 182 pages
167. Images of the Solar Upper Atmosphere From SUMER on SOHO
     Uri Feldman, at al. | ESA Publications Division, Published in 2003, 209 pages
168. A Briefer History of Time: From the Big Bang to the Big Mac
     Eric Schulman | St. Martin's Press, Published in 2004, 207 pages
169. Observing the Sky from 30S
     Roberto Mura | Wikibooks, Published in 2010, 86 pages
170. Techniques of Radio Astronomy
     T. L. Wilson | arXiv, Published in 2011, 47 pages
171. Dense Matter in Compact Stars
     Andreas Schmitt | arXiv, Published in 2010, 146 pages
172. The Birth and Death of Stars
     James Schombert | University of Oregon, Published in 2008
173. Particle Physics Aspects of Modern Cosmology
     Robert H. Brandenberger | arXiv, Published in 1997, 70 pages
174. An Expanded View of the Universe
     | European Southern Observatory, Published in 2011, 54 pages
175. A Text-book of Astronomy
     George C. Comstock | D. Appleton and company, Published in 1901, 391 pages
176. Atlas of Peculiar Galaxies
     Halton C. Arp | California Institute of Technology, Published in 1966, 190 pages
177. An Introduction to Celestial Mechanics
     Forest Ray Moulton | The MacMillan Company, Published in 1914, 437 pages
178. Advances in Modern Cosmology
     Adnan Ghribi | InTech, Published in 2011, 198 pages
179. Introduction to Supersymmetry: Astrophysical and Phenomenological Constraints
     Keith A. Olive | arXiv, Published in 1999, 67 pages
180. Astronuclear Physics: a Tale of the Atomic Nuclei in the Skies
     M. Arnould, S. Goriely | arXiv.org, Published in 2020, 100 pages
181. Mercury
     F. Vilas, C. Chapman, M. Matthews | University of Arizona Press, Published in 1989, 794 pages
182. Moon Trip: A Personal Account of the Apollo Program and its Science
     Elbert A. King | Lunar and Planetary Institute, Published in 1989, 162 pages
183. Cosmology and Astrophysics
     Juan Garcia-Bellido | arXiv.org, Published in 2005, 76 pages
184. Observatories in Space
     Catherine Turon | arXiv, Published in 2011, 50 pages
185. Mechanism of the Heavens
     Mary Somerville | J. Murray, Published in 1831, 710 pages
186. Introduction to Physical Astronomy
     Kenneth R. Koehler | University of Cincinnati, Published in 2010
187. Gravitational Waves: Sources, Detectors and Searches
     Keith Riles | arXiv, Published in 2012, 79 pages
188. The Birth And Death Of The Sun
     George Gamow | Dover Publications, Published in 1940, 256 pages
189. Voyager 1 Encounters Saturn
     | NASA, Published in 1980, 51 pages
190. The Astrobiology Primer: An Outline of General Knowledge
     Lucas J. Mix, at al. | arXiv, Published in 2006, 79 pages
191. Chondrules and their Origins
     Elbert A. King | The Lunar and Planetary Institute, Published in 1983, 377 pages
192. Astronomy
     Andrew Fraknoi, David Morrison, Sidney C. Wolff | Unglue.it, Published in 2016, 1200 pages
193. Ultrahigh Energy Cosmic Rays: Facts, Myths, and Legends
     Luis Alfredo Anchordoqui | arXiv, Published in 2011, 92 pages
194. Voyage to Jupiter
     David Morrison, Jane Samz | NASA, Published in 1980, 218 pages
195. Resources of Near-Earth Space
     J. S. Lewis, M. S. Matthews | University of Arizona Press, Published in 1993, 977 pages
196. Introduction to relativistic astrophysics and cosmology through Maple
     V. L. Kalashnikov | arXiv, Published in 2001, 124 pages
197. Evolution of the Solar System
     Hannes Alfven, Gustaf Arrhenius | NASA, Published in 1976
198. Star-Gazer's Hand-Book
     Henry William Elson | Sturgis & Walton, Published in 1910, 72 pages
199. The Formation and Evolution of the Solar System
     James Schombert | University of Oregon, Published in 2007
200. Astronomy with an Opera-glass
     Garrett Putman Serviss | D. Appleton & co., Published in 1890, 154 pages
201. A Photographic Atlas of Rock Breakdown Features in Geomorphic Environments
     Mary Bourke, Heather Viles | Planetary Science Institute, Published in 2007, 88 pages
202. Archaeology, Anthropology, and Interstellar Communication
     Douglas A. Vakoch | NASA, Published in 2014, 330 pages
203. Man's Place in the Universe
     Alfred R. Wallace | Chapman and Hall, Published in 1904, 330 pages
204. Celestial Navigation, Elementary Astronomy, Piloting
     Arturo Chiesa, Raffaele Chiesa | Sky and Sea Software, Published in 2010
205. The Virial Theorem in Stellar Astrophysics
     George W. Collins, II | Pachart Pub. House, Published in 1978, 135 pages
206. A practical guide to Basic Statistical Techniques for Data Analysis in Cosmology
     Licia Verde | arXiv, Published in 2008, 52 pages
207. Through the Telescope
     James Baikie | Adam and Charles Black, Published in 1906, 303 pages
208. Short History of Astronomy
     Arthur Berry | John Murray, Published in 1898, 439 pages
209. Big Bang Nucleosynthesis and Physics Beyond the Standard Model
     Subir Sarkar | arXiv, Published in 1996, 156 pages
210. Cosmos and Culture: Cultural Evolution in a Cosmic Context
     Steven J. Dick, Mark L. Lupisella | NASA, Published in 2010, 612 pages
211. Protoplanetary Disks and Their Evolution
     Jonathan P. Williams, Lucas A. Cieza | arXiv, Published in 2011, 65 pages
212. Introduction to Early Universe Cosmology
     Robert H. Brandenberger | arXiv, Published in 2011, 70 pages
213. Understanding Galaxy Formation and Evolution
     V. Avila-Reese | arXiv, Published in 2006, 50 pages
214. To See the Unseen: A History of Planetary Radar Astronomy
     Andrew J. Butrica | NASA History Division, Published in 1996, 301 pages
215. Supernova Cosmology: Legacy and Future
     Ariel Goobar, Bruno Leibundgut | arXiv, Published in 2011, 62 pages
216. Dwarf-Galaxy Cosmology
     Regina Schulte-Ladbeck, at al. | Hindawi Publishing, Published in 2010, 238 pages
217. The Galactic Habitable Zone I. Galactic Chemical Evolution
     G. Gonzalez, D. Brownlee, P. Ward | arXiv, Published in 2001, 57 pages
218. An Introduction to the Theory of Rotating Relativistic Stars
     Eric Gourgoulhon | arXiv, Published in 2010, 88 pages
219. The Fine-Tuning of the Universe for Intelligent Life
     Luke A. Barnes | arXiv, Published in 2011, 76 pages
220. Cosmology for Particle Physicists
     U. A. Yajnik | arXiv, Published in 2008, 63 pages
221. Special Functions: Fractional Calculus and the Pathway for Entropy
     Hans J. Haubold (ed.) | MDPI AG, Published in 2018, 306 pages
222. First Light
     Abraham Loeb | arXiv, Published in 2006, 157 pages
223. Particle Physics and Inflationary Cosmology
     Andrei Linde | arXiv, Published in 2005, 270 pages
224. Observations of the High Redshift Universe
     Richard S. Ellis | arXiv, Published in 2007, 115 pages
225. Exoplanet Observing for Amateurs
     Bruce L. Gary | Reductionist Publications, Published in 2007, 170 pages
226. Astronomical Image and Data Analysis
     J.-L. Starck, F. Murtagh | Springer, Published in 2006, 335 pages
227. Curiosities of the Sky
     Garrett Putman Serviss | Harper & Brothers, Published in 1909, 300 pages
228. The Fundamentals of Stellar Astrophysics
     George W. Collins, II | W H Freeman & Co, Published in 2003, 494 pages
229. Multi-messenger Astronomy and Dark Matter
     Las Bergstrom | arXiv, Published in 2012, 105 pages
230. Encyclopedia of Astrophysics
     Søren Bertil F. Dorch | Scholarpedia, Published in 2009
231. Lecture Notes on High Energy Cosmic Rays
     M. Kachelriess | arXiv.org, Published in 2008, 82 pages