1
Angelo Secchi and Nineteenth Century Science [E-Book] : The Multidisciplinary Contributions of a Pioneer and Innovator /
2
The Mystery of Dark Matter [E-Book] : In Search of the Invisible /
3
Pioneer of Galactic Astronomy : A Biography of Jacobus C. Kapteyn [E-Book] /
4
Master of Galactic Astronomy : A Biography of Jan Hendrik Oort [E-Book] /
5
Neptune: From Grand Discovery to a World Revealed [E-Book] : Essays on the 200th Anniversary of the Birth of John Couch Adams /
6
High Energy Cosmic Rays [E-Book] /
Subject (ZB): ...Astronomy-Observations....

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7
The Accretion and Obscured Growth of Supermassive Black Holes [E-Book] : First Constraints on the Local Heavily Obscured AGN Fraction with NuSTAR /
8
Radio and Radar Astronomy Projects for Beginners [E-Book] /
9
The Search for ExtraTerrestrial Intelligence [E-Book] : Proceedings of the 2nd SETI-INAF Meeting 2019 /
10
Interior Modelling of Massive Stars in Multiple Systems [E-Book] /
11
The Physical Processes and Observing Techniques of Radio Astronomy [E-Book] : An Introduction /
12
Orreries, Clocks, and London Society [E-Book] : The Evolution of Astronomical Instruments and Their Makers /
13
Dynamics of the Sun and Stars [E-Book] : Honoring the Life and Work of Michael J. Thompson /
14
Astronomy's Quest for Sharp Images [E-Book] : From Blurred Pictures to the Very Large Telescope /
15
Observational and Theoretical Studies on Dwarf-nova Outbursts [E-Book] /
16
Astrophotography is Easy! [E-Book] : Basics for Beginners /