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This PDF by Nora Mills Boyd, Siska De Baerdemaeker, Kevin Heng, and Vera Matarese is an explication of how the theory and observation balance within astrophysics. Items under discussion include laboratory astrophysics, the problem with the Hubble constant, and also how theory plays a game of give-and-take with observation in stellar population synthesis. Discussions on epistemological lessons extracted from gravitational-wave astrophysics are also present, covering simulation practices, idealisations in computer modeling, and verification of data. Discussing the philosophical implications of observational black hole astrophysics and entity realism in extragalactic studies, it ends with reflections by a theoretical astrophysicist, providing an all-encompassing view into the foundations and methodologies that guide todays astrophysical research.
Author(s): Nora Mills Boyd, Siska De Baerdemaeker, Kevin Heng, Vera Matarese
330Pages
Authored by Jes K. Jurgensen, Arnaud Belloche and Robin T. Garrod, this PDF delves into the role that astrochemistry plays in the process of star formation. Recent advances and challenges in the field are addressed, with a focus on chemical inventories in star-forming regions. Chemical differentiation and the evolution of the protostar under physical conditions are addressed by the authors, who underscore fractionation as one of the processes. The communication of physical and chemical aspects of star formation is made by the document as it exposes the reader to such complicated interactions which finally end in the emergence of stars and development of chemical complexity in space.
Author(s): Jes K. Jurgensen, Arnaud Belloche, and Robin T. Garrod
55Pages
The review by Duncan V. Mifsud and other authors points at the role which sulfur plays in the special world of astrochemistry as an element of paramount importance to biological systems and planetary geology. A pdf of laboratory studies involving sulfur-bearing molecules include spectroscopy and results from experiments on thermal and photochemical processing. Charged particle bombardment and radiolysis of sulfur ice analogues are discussed for a better understanding of the behavior of sulfur in extraterrestrial environments. The current document concludes with proposed further research directions and continues to highlight the importance of sulfur in astrochemical processes.
Author(s): Duncan V. Mifsud, Zuzana Kanuchova, Péter Herczku, Sergio Ioppolo
38Pages
Astrochemistry Lecture Note Prepared by Adwin Boogert Herschel Science Center - NASA A short lecture note. Kind of a nice basic course on astrochemistry, though: the chemistry of interstellar space, chemical reactions in space, techniques for observing interstellar molecules, evolution of the molecule and its implications for astrobiology.
Author(s): Adwin Boogert, NASA Herschel Science Center
48Pages
This educational note coming out of MIT is a resource that gives an in-depth overview on astrochemistry, focusing primarily on the topic of spectral lines and their significance in understanding cosmic entities. The topics included are as follows: Radio Telescope Mechanics Emission/Absorption of Spectral Lines Detection of Stars Detection of Planets Detection of Galaxies. This paper will try to help students acquire more significant knowledge in space science: the processes of chemistry and the principles upon which astronomy observations are based.
Author(s): MIT
NAPages
It is a graduate course note led by Prof. Jose-Luis Jimenez, and explorations into atmospheric chemistry principles had been quite informative. Some of the topics covered include global circulation, chemical transport, spectroscopy, and some more key atmospheric processes. The note has focused around the chemistry of inorganic nitrogen and acid deposition as well as around the role of aerosols, cloud, and fog chemistry. The program seems to look for making sure students get a profound understanding of complexity in the atmosphere and many other factors that go into its chemistry, especially as it relates to environmental concerns.
Author(s): Prof. Jose-Luis Jimenez
NAPages
This is a lecture note by Prof. Jesse Kroll, focusing on chemical transformations in trace species of Earth's atmosphere. The note highlighted how human activity impacts both air quality and climate-from covering major concepts such as photochemistry and ozone-depleting compounds to aerosol chemistry. The note provides a comprehensive summary of what drives atmospheric chemistry, from sources and sinks of greenhouse gases to names and processes. The paper is designed for better understanding of the atmospheric processes concerning anthropogenic influences and their implication in environmental science.
Author(s): Prof. Jesse Kroll
NAPages
Professor Nigel Mason discusses in his paper the chemical origins of life, covering the synthesis of nucleobases and DNA. Included in this also are the historical experiments, such as Urey-Miller, and examines the chemistry of prebiotic types in conditions similar to those prevailing on early Earth. This note covers important results with regard to the question of life on Mars: investigations about meteorites from Mars and ozone formation and depletion. It is an interesting overview of astrochemical processes that could well have led to the origin of life on Earth and elsewhere in the universe, founded on a blend of experimental data and theoretical insights.
Author(s): Professor Nigel Mason
99Pages
