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Astronomy & Astrophysics is a subject which attracts people of all ages; from a school going student to a person enjoying superannuation. The text deals with the fundamentals of Astronomy and Astrophysics. After briefing about the beginning of Astronomy, we have discussed various coordinate systems used to specify position of a place on the earth and an object in the space. Time is an important parameter and can help in having information about the relative occurrences of various events. The limitations of the observations with our eyes can be largely extended with the help of telescopes. Further, the telescopes help us for making observations of those radiations which cannot be seen by human eyes.
The fundamentals used for the study of various phenomena are summarized. Details about the Sun the closest star, has been studied in detail. Information about the solar family is described at length. Thermochemical reactions are responsible for creation of energy in the shining objects. Information about various types of thermochemical reactions is incorporated. Details of the galaxies and the universe are discussed. A brief description about the Cosmology — the science about the formation of universe is mentioned. The text cannot be considered as complete in absence of a discussion about the possibility of the existence of life in the universe other than that on the Earth.
Large number of cosmic phenomena are covered
Each topic is self-explanatory and self-contained
Topics are supported by examples
No prior-knowledge of Astronomy & Astrophysics is required
Mohit Kumar Sharma :- is National Postdoctoral Fellow of Science & Engineering Research Board (SERB), Department of Science & Technology (DST), New Delhi at Amity Center for Astronomy & Astrophysics, Amity Institute of Applied Sciences, Amity University, Noida. Earlier, he worked as Asstt. Prof. in ITM University, Gwalior, M.P., India. He has received Young Scientist Award (2014) of Indian Science Congress Association, Kolkata. He did his Ph.D. (Physics) from Jiwaji University, Gwalior. He is coauthor of eight textbooks and he has published 27 research papers in the journals of international repute. He is life member of Astronomical Society of India; Indian Science Congress Association, Kolkata; Indian Society of Atomic & Molecular Physics; Indian Association of Physics Teachers; Astrochemistry Society of India.Suresh Chandra :- is Deputy Director & Professor at Amity Center for Astronomy & Astrophysics, Amity Institute of Applied Sciences, Amity University, Noida. Earlier he was Director, School of Physical Sciences, SRTM University, Nanded (Maharashtra) and Director, School of Physical Sciences, and Dean of Students in SMVD University, Katra (J&K). He obtained his M.Sc. (Physics) (1972) and Ph.D. (1977) from Meerut University (now called, Ch. Charan Singh University), Meerut. He is Fellow of the Royal Astronomical Society (London), Fellow of the Maharashtra Academy of Sciences (Pune), Associate Member of the Third World Academy of Sciences (Italy), Fellow of the Alexander von Humboldt Foundation (Germany), Life Member of the International Astronomical Union and Life Member of several other national academic bodies.
He has published 160 research papers in the journals of international repute and has written 20 books, 32 scientific articles and 8 articles pertaining to higher education.